I paid 21,000 for my brand new '08. Its the XLT 4 door with 4.0, 4x4, towing package.
I think 16-17k for a 3 year old truck is way too much. I had to play games with the dealer, but i got 4k knocked off the price, 4% interest, and GAP insurance out the door for 15,000 flat after my trade in and $2k cash down payment. The car market is **** right now, use that to your advantage when dealing. Ford is really hurting this year in sales!