Way too much new data to list.

There is a ton of new data about sunwell and the new armor out. It's hard to sort through everything but if you havn't caught any of the info yet check out this post on mmo-champion.
http://www.mmo-champion.com/index.php?topic=4163.0 There is a mountain of data there showing all the new set pieces along with the changes to the pvp gear for pally's, some of the loot from the new 5 man instance, and anything else you could possibly imagine.