Most of the ones that I've seen, seem quite manageable.
You'll need to be disciplined with the right foot, though, if you know what I mean.

Most of the guys driving them are fast
1slosix will get a kick out of this... A couple months ago, I was actually able to beat a Boss302 at the autocross. With the driver "fresh" out of racing school. Hehe.
Your mileage may vary...
Just go out and have a good time exploring the limits of your car in a safe environment. Unless you're in the season point race, you're not really racing against anyone else but yourself...