The answer is like this. My hosting providers decided to kill my domain because of bandwidth issues (and without warning) so I decided to take this opportunity and move all data to the dedicated server. It doesn't take that long really, but nameserver propagation does (or can). Things should be running smoothly in the next 24 hours.
The mass email went out to trial user email list. Expect a double optin request on the buyer side very shortly.
Gotta love when hosts don't even bother to warn you. Be nice if they put in an early notification system to let webmasters know they're reaching their limit. I've had this happen to me a few times.