So Blizzard has released some details on the next patch (3.3.3), they also provided some details on patch 3.3.5 which includes some new raid content, which will include a new raid dungeon under Wyrmrest Temple, which will be a Tier 10 encounter, and similar to Obsidian Sanctum.
In this next patch looks like the PVP system is getting a facelift. The auction house is getting some tweaking. Culling of Stratholme is getting rid of some pageantry, class modifications, questing changes, and some item changes as well.