I'm looking at the difference btw those 2 cards:

One has a Blue PCB and the other a Red PCB does anyone know what the difference is thanks.

Blue one:
http://www.zipzoomfly.com/jsp/ProductDetail.jsp?ProductCode=320815

Red one:
http://www.rage3d.com/reviews/video/sapphirex800xt/

thanks for all your input

Davey