Unless you have a real high watt cpu, a 4 pin in a 8pin will work. I recall a lot of 130W p4's ran on one 4pin cpu connector, most Phenom's and C2Q's only really push 90-120W and thats at 100% cpu usage, which is a unreal scenario.

Delta is my 1st choice in power supplies
Biostar Tpower N750 (all UCC solid caps) 5000+ dual core PNY 9800gt 4gb OZC DDR2-800 320gb WDC 700W Delta DPS-700