I don't know if you're going to find this any cheaper. I've been waiting for a deal on this. Good for a 24/7 system with mild overclock.
http://www.zipzoomfly.com/jsp/ProductDetail.jsp?ProductCode=10010633
Good hunting......
The RaT
http://www.zipzoomfly.com/jsp/ProductDetail.jsp?ProductCode=10010633
Good hunting......
The RaT