the individual parts are now officially available from shopatron...
A bit pricey though.
I just picked up the motor mount and fan for $50 plus $9 shipping, where as if I would have just bought the kit from amain it would have been $85 plus around $6-8 shipping and I could have re-sold the battery boxes and probably come out ahead...
I guess I should just be happy they are selling the parts individually though...