Now that it's clear that this is a hosted MySQL service, how can we be sure it's reliable? You claim to be very scalable and reliable - well, what makes you that way? For example, we know MongoHQ runs on Amazon's infrastructure.

These are mostly all just questions related to how your site portrays the service you have obviously put some serious work into. I think it does a pretty bad job of selling your service to somebody that knows about databases that is shopping around for a hosted solution. I think it currently seems to try to hide all of the backend specifics and cater to people that may or may not care about the actual backend questions. These are just my thoughts trying to help you out! Not trying to be negative or degrading.