Welcome to the forum!
I would get AM3/DDR3
GIGABYTE GA-MA790GPT-UD3H AM3 AMD 790GX HDMI ATX AMD
http://www.newegg.com/Product/Product.aspx?Item=N82E16813128398
Mushkin XP 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Dual Channel Kit Desktop
http://www.newegg.com/Product/Product.aspx?Item=N82E16820146871&cm_re=mushkin_ddr3_1600-_-20-146-871-_-Product
Edit: also get 7
Microsoft Windows 7 Home Premium 64-bit 1-Pack for System Builders
http://www.newegg.com/Product/Product.aspx?Item=N82E16832116754
I would get AM3/DDR3
GIGABYTE GA-MA790GPT-UD3H AM3 AMD 790GX HDMI ATX AMD
http://www.newegg.com/Product/Product.aspx?Item=N82E16813128398
Mushkin XP 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Dual Channel Kit Desktop
http://www.newegg.com/Product/Product.aspx?Item=N82E16820146871&cm_re=mushkin_ddr3_1600-_-20-146-871-_-Product
Edit: also get 7
Microsoft Windows 7 Home Premium 64-bit 1-Pack for System Builders
http://www.newegg.com/Product/Product.aspx?Item=N82E16832116754