These look great:

http://www.spyderindustries.com/index.html

My order from them has had some problems and I want to give them an opportunity to fix it. But I've discovered the F-150 rack is not mounted in the stake holes as advertised. I've been told the F-150 stake holes are too far forward and therefore the rack is mounted on each side with two bolts thru the bed rail mounting plates. This rack is very heavy and I'm concerned this won't be a strong enough mounting.