http://www.cenracing.com/rccarswap.html here... I just spent $450 on the truggy [&:]

Memorial Day Sales Event!

From now until May 31, 2007 CEN Racing is knocking $50 off on all the Matrix Kits, RTR with the car swap program for the Matrix, Matrix TR Arena vehicles. All you have to do is pack up your old RC rolling chassis in a box and send it to CEN Racing. With your old rolling chassis please include a note with your contact information and what CEN vehicle you would like. That it!! But act soon, as this insane deal will last only until the end of May!!!