RE: epoch indoor racer
I got 2 Epcohs, one spec 2 and one Spec 1.5 (Speed racer set). I say go for a speed racer set, they go for about $30, the electronics and design is a little inferior to spec 2 but they still drive and control great and you can get into the diff on a 1.5. Darn good cars, can't think of any reason not to get these accept lack of competition... but get spec 1.5 and you can easily get 2 to race (they even have 2 bodies, so you can race just like in the cartoon!)