as said above all the cars that you have mentioned are ok so see what is popular and stocked by your local hobby store so that spares availability is ok. also there is a rising trend at the moment for brushless 8th so perhaps ask at you local tracks if they have a heat for this as well
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Nathan Ralls HPI, Custom Blitz,
www.piraterc.com mr-o foams
woop woop racing officialy keeping team toe out inline