From: JeffRelf.F-M.FM on

“ PCs for $499 at Walmart. ”, you ( treBert ) mentioned.

This PC ( no monitor ) costs 220 dollars, 230 after shipping:
http://www.newegg.com/Product/Product.aspx?Item=N82E16883220006

Built·in WiFi (b/g/n), 160 giga·byte hard disk, one gig of ram.
4 USB ports; 2 front, 3 back. Windows XP, not Vista nor Win7.
http://www.newegg.com/Product/Product.aspx?Item=N82E16883220006

Video connector is DVI but, for older monitors,
it comes with a “DVI to D-Dub/VGA” adapter; see:
http://www.easytouch.pl/gfx/resized/800x600/30379-adapter_dvi_m_-_d-sub_z_et-9092.jpg
http://images17.newegg.com/is/image/newegg/83-220-006-S08?$S640W$

Windows 7 isn't that great, obviously.