I've used that board, and you can use any standard atx power supply with a 20 or 24 pin connector. Leaving 4 of the pins unused won't hurt anything. Antec makes good power supplies. I use an old antec 350, and it still works fine.
What a bout upgrading my GPU on a AM3 Mobo. Going to use a 2.1 grr5 1g gpu upgrade to handle my new Phenom IIx 4 965.
Talk to me a bout bios and overclocking the CPU. I have a better Heat sink but am looking at a liquid cooling system. Is it worth reconfiguring my entire system and installing al these bells and whistles?