tree... Before you buy anything, go to your local hobby shop(s) and see what they carry parts for. Things break and you don't want to be waiting weeks to get in a part.
I would suggest that if it's a buggy you want go Associated or Losi, neither can be beat.
you'd be much better off with this.
http://www2.towerhobbies.com/cgi-bin...&I=LXJPY5&P=FR