Ok felt like i was a wee bit short with you i was just in the middle of a conversation with wife and ear to phone tryin to answer your questsions


Ok so lets look at Rogues and their builds

First base combat Swords need medium Attack Power(700-800) and medium Crit(20-24)  Spam SS and then hit rupture, or SnD and continue spamming

http://www.wowhead.com/?talent=fbe0ogZMhEz0Vzxfo   combat swords


Next is hemo what i am using but is supa gear based  needs HIGH Attack Power (900+)  and low crit (below 20%) Spam Hemo and then you stun lock or rupture SnD

http://www.wowhead.com/?talent=f0ecoezZZxrxochRq   hemo build need to use SLOW ass MH weapon

Now daggers Lobo is an awesome dagger  if you could get your hands on a Sunrazor or a fast  big dps  off hand  but gotta be supa fast  1.4 or faster i would say go this build excpecly for raids

http://www.wowhead.com/?talent=i0ecoxZhjV00VZVbuc   dagger