How can I find what my 2004 Ford F250 short bed, extended cab; 4 wheel drive; 5.4 liter v8 engine; 6 speed; straight drive with less than 80,000 miles on it worth in November, 2007? I bought it new as a work truck for my son. Thanks

Go through the questions on this site.
New Cars, Used Cars, Blue Book Prices & Car Values - Official Kelley Blue Book Site (http://www.kbb.com/?trid=4&psid=3-221-14028-5-4013-1)