Never hit 100% because I never had a cheat device, but aside from that completion the game's replay value can easily drop being that gaining money is such a tedious and long process I wanted to build up a Pantera, but getting the million+ credits is plain rediculous. I can start the game over, and build it after I get the final boss prizes....but really now.
This game was great in the first playthrough, doing time-attacks were fun, but simply playing it to play it just doesn't cut work out. There's about 50 cars, and you can realistically only get 5 of them fully built until you invest too much time.
bring your friends girl friend out, buy her a bottle of champagne, **** her out, and take pictures. problem solved.-r4X0r