Recently I noticed something in Ulduar. Gear is becoming highly diverse in it's stats and how it differs from the typical gear that we have seen in the past.

Examples:
http://www.wowhead.com/?item=45310
http://www.wowhead.com/?item=45708

So when looking at the first item as a tank I go through and see the defense, dodge, stamina, and strength are all decent. Then I see the Armor