Get the Falkens. Seriously, they are a better auto-x tire, and you will appreciate the smaller sidewall when you times start dropping.
check out here:
http://www.groupbuycenter.com/buy.aspx?id=10470
205/50R 15 $59.00
btw - My roommate has 20K miles and 1 track event on his, and still has probably 5K miles left before they get dangerous.