does having a x800xt slow ur pc down with having my cpu? and also, how much performance will i not be getting becuz of the cpu i have? and any other bottlenecking issues u mite know about that u could tell me. also, does this card run extremely hot? do i need to add some fans for my hd? i currently have no fans for my hd. 1 on top, 2 on back, 2 on psu, 1 on side window, and 1 on the hsf. good?