You could take one of the Bondurant courses:
http://www.bondurant.com/
http://www.wildhorsepass.com/bondura...ng-school.html
Or look for other performance driving schools in your area:
http://www.edmunds.com/ownership/dri...5/article.html
My wife's work requires the employees to take some sort of driving school every few years and they've taken the Bridgestone Winter Driving course a few times.
There's also the BMW performance driving school in South Carolina:
http://www.bmwusa.com/Standard/Conte...nce/Events/PDS