I think you meant 30K+ rpm as well.
But have a look at this:
http://www.offshoreelectrics.com/pro...runner&cat=135
Littlescreamers is also coming out with a new wind in this motor size. It will be an 8-pole motor with a kv of 770. Should be more appealing.
You should really check out offshoreelctrics.com There are plenty of HV big boat builds there. There are quite a few builds going on with this motor as well. Check this one in particular:
http://forums.offshoreelectrics.com/...ad.php?t=11758