Ask in vitalicĀ“s topic. He is very active and can give you advice, since he is very good rogue player.
this may fall under the 'no advertising' forum rule. links to products not offered on the forums is against the rules. you should really google to find an appropriate place to discuss this.
to answer ur question quick tho, u can rek with any of the 3 specs. i run 2k + with all 3 specs. but sub if u play with mage, else i would recommend combat .
I'm aware of the rule, it wasn't intended to direct people to purchase only toward the discussion; I have PM'd him the link instead.