Berin,
Bridgestone RE55's will do the trick, they're not cheap though.
http://www.skylinesaustralia.com/forums/in...showtopic=86088
2006 WRX/SAU track day championship round dates are linked at the top of the events section.
http://www.skylinesaustralia.com/forums/in...showtopic=98397
Will be good to have a few more cars in the RWD modified competitor class, including me B)