Yeah many people have, it was one of the most popular conversions a couple of years ago I think mike has all the parts you would need in the RC monster store here.
I converted it's twin the lightning buggy myself, although you might not recognise it now.

Enough of that, heres a
link for you.
there were loads of threads for it but some were lost when the server crashed and some need there pictures updating, serum had a good on and I think squee forever had a good one to, maybe they will post here,
Hot Bodies Lightning 2 Pro carbon, Mega 22/30/2, MMM, 4s3-5Ah.
Tamiya F201 carbon, Mamba 7700, MM, 2s A123 2.3ah.
Xray XT8, 1518, MMM, 4s5Ah.
Lots of boats.
fastelectrics.net