Of course, Mosso conveniently doesn't mention that<p>* Persistant disk is available via Amazon EBS, if you want it.<p>* For a given amount of RAM or disk space, Mosso is somewhere between "slightly more expensive" and "over double the price".<p>* Mosso's price for outgoing bandwidth is considerably higher than EC2's (although Mosso is slightly cheaper for incoming bandwidth).<p>All in all, I'd say that Mosso and EC2 each have strengths and weaknesses, and neither is clearly superior.