Rally America Rally Cross Series

[KPAero]

http://www.rally-america.com/rallycross.php

Might be pretty fun. From the videos I watched from last year it looked like the 2wd guys were less willing to smash into each other. And looking on the RA site, early entry (1 month) is $275. It goes up to $325 after that and then to $500 right before the event.