Building PC with a Phenom 2 X4 and a Radeon 5770. I'm not planning on using Crossfire so that makes it a bit easier. The thing is, I use DDR2 ram, and I also need 4 channels for ram. So it's pretty hard to choose with this restriction. My budget is around $80 / 90 max, and I buy from newegg only.
Go to slickdeals for some newegg combo specials. They have a full size biostar 785 ddr2 atx dual video board with rosewill case or ocz power supply for around $60 after rebates and promo codes. I use a "t" series biostar board and it overclocks easily.