Good news, bad news.

Good news - the have a shaft driven 4WD buggy out.

Bad news - 1/18 scale. (well not really 'bad' news, just not 1/10 scale)

http://www.rc10.com/shusting/CatalogHub/kitspecs_18b/kit18b.htm

out of all the mini's i've seen. This looks the best.