Permatech seems to be the best of the lot that I've seen, especially with their no-fading guarantee (without having to spray it with stuff yearly). I've also checked it out on a truck, and like permatech's texture and feel the best. . My 2003 will get sprayed with a permatech when it gets here.
Drop in bedliners. . I know some like them, but I would never do that to my truck. 'Nuff said, just my opinion.