If you want something really cheap, you can probably find one of those Fender/Ibanez starter kits in a local music shop (or even at Walmart, is there anything that place doesn't have?).

IBANEZ
http://www.zzounds.com/item--IBAIJS40

FENDER
http://www.activemusician.com/p/EM_033-0800-146.asp?ref=fg

YAMAHA
http://www.pricegrabber.com/user_sales_getprod.php/masterid=3142198/lot_id=588919/mode=googlegfr/