My best guess this one for $199 would be iXtreme compatable:
http://accessories.us.dell.com/sna/p...9&sku=A4049258
If you don't want to pay for games, I'm pretty sure any, even the most recently manufactured Xbox 360s are iXtreme Lite Touch compatible.
See the iXtreme forum to make sure.
http://www.ixtreme.net/
You should be able to get most games at http://thepiratebay.sx/
Yep, Left For Dead 2 is available: http://thepiratebay.sx/search/Left%2...ead%202/0/99/0