WOW Gold will certainly be of interest to your 2h melee DPS.

Decapitator's Razor with the new Single-Minded Fury talent which will probably draw attention from enhancement shamans, rogues, and even death knights and fury warriors.

Obsidian Executioner, an item which can only be used at level 81,Gold WOW, will certainly be of interest to your 2h melee DPS.

For the Cataclysm, it seems developers are really serious about DPS, due to the changes of a massive DPS increase between an epic weapon dropped by the heroic Lich King and the crafted weapon you can equip at level 81.