I have 2 XFX 5850's. Great cards but one is faulty. Anyone have any history of RMA with XFX as the Live chat support I got was absolutely awful. I have raised a ticket for my XFX returns number. The card runs very hot, the fans loud with a slight bearing noise and now my pc is shutting down with it installed. Not blue screen crash, just if I'm playing games the pc shuts off. I have tested my other XFX5850 with no problems, RAM etc. Soon as the second goes in, crossfire or single it goes to pop. So I think its faulty.