Viper GTS is doing fine thus far - haven't played in about a week now so I forget the stats for it, but it's a beast. Maybe as the game progresses I'll want something else... I don't know. There's a special Supra I like too. I have the WRX and all the other cars I have set up as fast as they can be for whatever level of the game I'm in (unlimited cash code), and looked at the power on 'em afterward and went with the Viper. There are a couple that are harder to drive that could be up there too but like I said they don't handle too well (GT40 is one).