2v2 : rogue and priest/druid, or rogue and mage/lock
3v3 : rogue mage priest (2nd best) rogue lock druids (best)
5v5 : rogue mage spriest lock pala/druid
and to the nub that said rogues suck in 5v5, we got 2.1, and in 3v3 we got 2.2 with same rogue :\
rogues are OP !!