If you want to race, I say get the RC10, and check out Sheograth's SC10 build, really cool tips in there.

http://www.rcuniverse.com/forum/m_8677923/tm.htm

But if the urge is for you to do crawling more than racing, then the Axial is your choice.

I guess it all boils down to what you want to do more: Race or crawl.