The PTR has been updated with new armor sets and weapons

Some of the things that god added :

Druid

New Equip-bonus on Druid Feral gloves: Causes your Maim ability to interrupt spellcasting and prevent any spell in that school from being cast for 3 sec.

Mage
New Equip-bonus on Mage gloves: Gives you a 50% chance to avoid interruption caused by damage while casting Polymorph.

Paladin
New Equip-bonus on Paladin Retribution gloves: Increases the damage dealth by your Crusader Strike ability by 5%

Ahhh…. we ret pallies needed that

Priest
New Equip-bonus on Priest Holy gloves: Reduces the cooldown of your Psychic Scream ability by 3 sec.
New Equip-bonus on Priest Shadow gloves: Reduces the damage you take from your own Shadow Word: Death by 10%

information on the rest of the items, pictures of the items and more about this on http://boards.worldofraids.com/topic-8138-1.html

Related posts:

1. Start of World of Warcraft 2.3 and Season 3 finalized
2. World of Warcraft 2.4.2 PTR Patch notes