NEWS UPDATE: Armory lists all ICC items, including heroic10 and 25, expcet Lich King drops

For the 277 best-in-slot list just search for "Step 5: The 277 Best-in-Slot list" down at the bottom.

Look for rings, trinkets, capes, and necks next week.

Step 1:

As such, I have put together a little comparison of the 277 set pieces vs the 277 offset pieces. Since you will more or less be forced to wear the 4pc for the enrage set bonus, the first task is to see if any set items are actually better than the offset items.

Helm: http://www.wowarmory.com/item-info.xml?i=51296 vs http://www.wowarmory.com/item-info.xml?i=50713

set gains: 24 agi, and 106 ARP

Offset gains: 48 AP, 8 crit, and 98 hit

Conclusion: Set

Shoulders: http://www.wowarmory.com/item-info.xml?i=51299 vs http://www.wowarmory.com/item-info.xml?i=50646

set: 8 agi, and 82 ARP

offset: 1 yellow socket, and 74 haste

Conclusion: Off-set

Chest: http://www.wowarmory.com/item-info.xml?i=51298 vs http://www.wowarmory.com/item-info.xml?i=50656

set: 16 agi, 122 crit, and 106 ARP

offset: 1 blue socket, 16 AP, 114 hit, and 106 exp

Conclusion: Off-set

Legs: http://www.wowarmory.com/item-info.xml?i=51297 vs http://www.wowarmory.com/item-info.xml?i=50697

set: 16 agi, 122 ARP, and 106 Exp

offset: 1 blue socket, 16 AP, 98 hit, and 122 crit

Conclusion: Wash

Gloves: http://www.wowarmory.com/item-info.xml?i=51295 vs http://www.wowarmory.com/item-info.xml?i=50675

set: 8 agi, and 8 haste

offset: 1 yellow socket

Conclusion: Off-set

Step 2:

Since the legs are close enough and the helm is clearly better, we need to determine which 2 of the 3 remaining slots to use to finish the set bonus. Considering the lack of hit and expertise getting both on one piece makes this choice easy, keep the off-set chest.

Right now you have equipped:
Set: helm, and legs
Off-set: chest, gloves, and shoulders

Changing the gloves gains you 8 agi and 8 haste while changing the shoulders gains you 8 agi and 82 ARP.

Changing the gloves costs you 1 yellow socket while changing the shoulders costs you another yellow socket and 74 haste.

Now you have equipped:
Set: helm, gloves, shoulders and legs
Off-set: chest

SO,

Is the 4pc set bonus, 16 agi, and 82 ARP worth 60 stam (2 yellow sockets) and 66 haste?

Step 3:

The 264 sets vs 264 off-sets. Unlike TOC where 245 set and offset had the same number of sockets while 258 sets had 1 less socket than the set piece, the normal mode 264 sets in ICC have 1 less socket than the 264 non-set also. That makes this comparison rather redundant but here it is anyway.

Helm: http://www.wowarmory.com/item-info.xml?i=51143 vs http://www.wowarmory.com/item-info.xml?i=50073

set gains: 24 agi, and 92 ARP

Offset gains: 48 AP, 8 crit, and 84 hit

Conclusion: Set

Shoulders: http://www.wowarmory.com/item-info.xml?i=51140 vs http://www.wowarmory.com/item-info.xml?i=49987

set: 8 agi, and 72 ARP

offset: 1 yellow socket, and 64 haste

Conclusion: Off-set

Chest: http://www.wowarmory.com/item-info.xml?i=51141 vs http://www.wowarmory.com/item-info.xml?i=50001

set: 16 agi, 108 crit, and 92 ARP

offset: 1 blue socket, 16 AP, 100 hit, and 92 exp

Conclusion: Off-set

Legs: http://www.wowarmory.com/item-info.xml?i=51142 vs http://www.wowarmory.com/item-info.xml?i=50042

set: 16 agi, 108 ARP, and 92 Exp

offset: 1 blue socket, 16 AP, 84 hit, and 108 crit

Conclusion: Wash

Gloves: http://www.wowarmory.com/item-info.xml?i=51144 vs http://www.wowarmory.com/item-info.xml?i=50021

set: 8 agi, and 8 haste

offset: 1 yellow socket

Conclusion: Off-set

Step 4:

Changing the gloves gains you 8 agi and 8 haste while changing the shoulders gains you 8 agi and 72 ARP.

Changing the gloves costs you 1 yellow socket while changing the shoulders costs you another yellow socket and 64 haste.

SO,

Is the 4pc set bonus, 16 agi, and 72 ARP worth 60 stam (2 yellow sockets) and 56 haste?

Step 5: The 277 Best-in-Slot list.

WEAPON:

http://www.wowarmory.com/item-info.xml?i=50727

Bloodfall
Heroic
Binds when picked up
PolearmTwo Hand
886-1329 DmgSpeed 3.40
(325.7 damage per second)
+175 Agility
+183 Stamina
Red Socket
Blue Socket
Yellow Socket
Durability: 120 / 120
Requires Level 80
Item Level 277
Equip: Improves critical strike rating by 122
Equip: Improves haste rating by 98
Equip: Increases your attack power by 212

HEAD:

http://www.wowarmory.com/item-info.xml?i=51296

Sanctified Lasherweave Headguard
Heroic
Binds when picked up
LeatherHead
564 Armor
+183 Agility
+183 Stamina
Meta Socket
Red Socket
Durability: 70 / 70
Classes: Druid
Requires Level 80
Item Level 277
Equip: Improves critical strike rating by 114
Equip: Increases your attack power by 196
Equip: Increases your armor penetration rating by 106

SHOULDERS:

http://www.wowarmory.com/item-info.xml?i=51299

Sanctified Lasherweave Shoulderpads
Heroic
Binds when picked up
LeatherShoulders
521 Armor
+136 Agility
+136 Stamina
Red Socket
Durability: 70 / 70
Classes: Druid
Requires Level 80
Item Level 277
Equip: Improves critical strike rating by 90
Equip: Increases your attack power by 165
Equip: Increases your armor penetration rating by 82

CHEST:

http://www.wowarmory.com/item-info.xml?i=50656

Ikfirus's Sack of Wonder
Heroic
Binds when picked up
LeatherChest
694 Armor
+167 Agility
+183 Stamina
Red Socket
Blue Socket
Yellow Socket
Durability: 120 / 120
Requires Level 80
Item Level 277
Equip: Improves hit rating by 114
Equip: Increases your attack power by 228
Equip: Increases your expertise rating by 106


LEGS:

http://www.wowarmory.com/item-info.xml?i=51297

Sanctified Lasherweave Legguards
Heroic
Binds when picked up
LeatherLegs
608 Armor
+183 Agility
+183 Stamina
Red Socket
Yellow Socket
Durability: 90 / 90
Classes: Druid
Requires Level 80
Item Level 277
Equip: Increases your attack power by 212
Equip: Increases your armor penetration rating by 122
Equip: Increases your expertise rating by 106

HANDS:

http://www.wowarmory.com/item-info.xml?i=51295

Sanctified Lasherweave Handgrips
Heroic
Binds when picked up
LeatherHand
434 Armor
+136 Agility
+136 Stamina
Red Socket
Durability: 40 / 40
Classes: Druid
Requires Level 80
Item Level 277
Equip: Improves haste rating by 82
Equip: Increases your attack power by 165
Equip: Increases your armor penetration rating by 90

BRACERS:

http://www.wowarmory.com/item-info.xml?i=50670

Toskk's Maximized Wristguards
Heroic
Binds when picked up
LeatherWrist
304 Armor
+102 Agility
+102 Stamina
Yellow Socket
Durability: 40 / 40
Requires Level 80
Item Level 277
Equip: Improves critical strike rating by 60
Equip: Increases your attack power by 120
Equip: Increases your armor penetration rating by 68

BELT:

http://www.wowarmory.com/item-info.xml?i=50707

Astrylian's Sutured Cinch
Heroic
Binds when picked up
LeatherWaist
391 Armor
+120 Agility
+136 Stamina
Blue Socket
Red Socket
Durability: 40 / 40
Requires Level 80
Item Level 277
Equip: Improves critical strike rating by 90
Equip: Increases your attack power by 181
Equip: Increases your armor penetration rating by 74

BOOTS: (going to list two here because they are extremely close and for how easy it is to get the crafted ones I think they are definitely the better choice thus they are listed first)

http://www.wowarmory.com/item-info.xml?i=49961 (only the pattern is present on armory)
http://www.wowhead.com/?item=49895

Footpads of Impending Death
Binds when equipped

Feet	Leather

457 Armor
+120 Agility
+120 Stamina
Red Socket
Blue Socket
Socket Bonus: +6 Agility
Durability 60 / 60
Requires Level 80
Item Level 264Equip: Improves critical strike rating by 80 (1.74% @ L80).
Equip: Increases your expertise rating by 64 (7.81 @ L80).
Equip: Increases attack power by 129.

http://www.wowarmory.com/item-info.xml?i=50607

Frostbitten Fur Boots
Heroic
Binds when picked up
LeatherFeet
477 Armor
+120 Agility
+136 Stamina
Yellow Socket
Yellow Socket
Durability: 60 / 60
Requires Level 80
Item Level 277
Equip: Improves critical strike rating by 90
Equip: Increases your attack power by 181
Equip: Increases your armor penetration rating by 74