hi zac,
hardly anywhere you can buy these since this a people hobbie, you can go out and buy one a t toys-r-us maybe toys-r-us is a good place for boddies,
and the arch2b reoursces and the how to build forum is very usefull, now
www.ttt-parts.org is selling kits and electronics to make it 10x easier,
good luck
ps
im also into 1/10, i have a nirtro tc3 and a electric tc3