Dell has the Dell Inspiron 660s Small Form Factor (SFF) Core i3 1TB Desktop for $400 - $50 off with coupon code
7BBGJRKBLNLWMS [Exp 11/28] =
$350 with free shipping.
Intel Core i3-2130 3.4GHz, 6GB RAM, 1TB HDD
Intel HD, DVD+/-RW, 802.11n, Windows 8 x64