i know this will be very expensive but from what i've heard hurrax is very good.

have you seen their toxyc 4wd buggy. Here is a link about it. I'm not sure if you can get them in the US but i'm sure you could.

http://www.ausrc.com/forum/showthrea...ghlight=hurrax

EDIT: Here is the hurrax home page. http://www.hurrax.de/en/