I know that many computer manufacturers (Dell, HP, etc...) use (or have used) proprietary PSUs in their systems. I have a Gateway GT5058, and I am looking to put a new PSU in it due to added hard drives, the enabling of the onboard RAID controller, and a new video card (NVidia 8600 GTS). What I am wondering is if I will have a problem with this. I have an older (1998ish) Dell XPS that I had to get a special adapter to put a new PSU in it (something about the pin out of the power connector being non-standard). Will this be neccessary for my Gateway GT5058? The PSU I am installing is a Corsair HX520W.