i would check at your local track to see what they support. if they dont carry Associated or HPI parts that should eliminate those rides.
at my track they support Losi, Associated, and HPI... so i'm lucky. but i will tell you it takes a lot more "skill" to run a blitz up front. you really have to drive it on the edge to be up front.
22SCT 2.0 - Tekin Power
Exotek F1r2 - Hobby Wing Power