Go with the AMD socket 775 is dead so defintely go with the AMD
2 motherboard suggestions you choose one has DDR2 ram and the other has DDR3 ram.
If you already have some DDR2 ram get this board.
http://www.newegg.com/Product/Product.aspx?Item=N82E16813128342
If you dont have DDR2 you might as well go for DDR3
http://www.newegg.com/Product/Product.aspx?Item=N82E16813157176