Sound card: http://www.ebay.com/itm/New-Creative-Labs-Sound-Blaster-7-1-XFi-Xtreme-Gamer-PCI-Audio-Card-SB0770-YN899-/261174237520?pt=US_Sound_Cards_Internal_&hash=item3ccf329950
GPU: http://www.newegg.com/Product/Product.aspx?Item=N82E16814102908
CPU: http://www.newegg.com/Product/Product.aspx?Item=N82E16819115077
Motherboard: http://www.newegg.com/Product/Product.aspx?Item=N82E16813138332
GPU: http://www.newegg.com/Product/Product.aspx?Item=N82E16814102908
CPU: http://www.newegg.com/Product/Product.aspx?Item=N82E16819115077
Motherboard: http://www.newegg.com/Product/Product.aspx?Item=N82E16813138332