Hi, I bought a PC case that needs a top mounted power supply and so obviously the power supply can't extract heat from the bottom. I bought a GTX 460 too which requires "at least 24 amps on the +12V rail. So I have had a hard time findig a PSU that extracts heat from the rear and has 24 amps on the +12v rail. Only ones i found had 22 amps on the +12v rail or didn't specify. I'd also lke the PSU to be relatively cheap as I'm trying to do a budget build. less than £20 maybe. Thanks guys.