Dell Business has the Vostro 270 Mini Tower 3rd Generation Core i3 Desktop on sale for
$429 with free shipping. You can get a similarly configured
Vostro 270s Slim Tower w/ Windows 7 HP for
$399 shipped. You can also get $50 off a
Vostro 270s that's $549 or more with code
W9D06J14FX10WM [Exp 1/30].
Intel Core i3-3220 Dual-Core 3.3GHz, 4GB RAM, 500GB HDD
Intel HD, 802.11 b/g/n, 16X DVD+/-RW, Windows 7 Pro x64