Big thanks to Roocoon for cracking this another first for cgpersia yet again!
its precracked for X64 and also X32 which is untested.
there maybe a virus alert given off just ignore it as its a false positive.
some info and tests using Arnold render engine in the link below
http://www.url-dead/file/1349648494/Arnold 1.11.1 beta.rar
http://www.fileserve.com/file/w5k2WuY/Arnold 1.11.1 beta.rar