Matrix reloaded /Revolutions???

ive just managed to set my system up and i now need to buy a new cam as i dont think the tit2 cars work with the aston cam.any ways i wanna buy one of the matrix cam as i herd u dont need a viewing card to view the scrambled channels with the latest firmware on the reloaded cam ,hope someone can confirm this.i have it focused at hotbird at the moment but i do have a motorised system so the more channels i can get the better i guess but like nearly every one with this i most want the also open to geting any other cam if any one can suggest any that are cheap and can unscramble most the channels many thanx for any help.i have a meter dish with a humax ci-5100 receiver