In that case... Don't buy the Pro-Pulse, its a Team Associated knock-off! (really, its true, I'm not trying to promote AE!)
The Pro-Pulse is a cheaper version of Team Associated's RC18B!!!
Here's AE's site:
http://www.rc10.com/ae/18b/18b_features.htm
Here's the RC18B RTR at Tower:
http://www2.towerhobbies.com/cgi-bin...&I=LXLPP8&P=ML