I7 Core $872.00
http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=8238077&CatId=4149

I5 Core $505.00
http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=8237577&CatId=4910

Or you can go with AMD to save on cash $440.00
http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=8237577&CatId=4910

8GB ram for AMD $50.00
http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=2295211&CatId=4534

Windows 7 OS $134.00
http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=5213934&CatId=4622