i tried a 300 watt ps one time on a 4870 last spring and it played left for dead for about 2 min and then BAMM sparks flew out the power supply im not lieing ,only the ps died.....................
how bout the blue meanie they called it was a thunderbird i think at 1000mhz
next one i liked was the SL2W8 P2 300
also the p4 1.6A
liked the Pentium Pro 200 OC that to 233mhz Woo Hoooo
the x2 3800 was a good one also
loved the Q6600 GO steping of course
my fav has to be the one i got...
went on sale today ,will all be gone fast ,but give it a try.........
http://www.frys-electronics-ads.com/ads/2009/11/30/45562/Intel-Core-i5-Processor-750-Gigabyte-GA-P55-UD3R-Motherboard