I cant say as I am into the toyish tamiya cars, but even though the kits are around $100 or so, you still need a descent motor, esc, and radio setup. You will get over $200 easily and still have a goofy kiddie rc.

Tamiya has some nice 4wd buggies and touring cars but some of their stuff just looks like a 5 year old should be playing with it.

I bought my wheely king for $130 shipped on ebay NIB. It was only 2wd but for $35 extra it is now 4wd. The wheely king is pretty slow stock though. Nothing a nice 17t motor wont fix.