I used this specc for arena 2v2 and topped the dmg meters by at least 10k over my mage friend (Hemo/assasin)
http://www.worldofwarcraft.com/info/classes/rogue/talents.html?3053201052021020000000000000000000000000000005002530002321210501300
I use this specc to PvE (combat swords)
http://www.worldofwarcraft.com/info/classes/rogue/talents.html?0053201053000000000000233052020050150023210510000000000000000000000
Works best with a fast off-hand sword and good dmg main-hand sword