I doubt there's anything you can do at this stage, they haven't even started accepting DXdiag files yet for system specs. Fallout Online Forum - Fan Based Community http://www.FalloutOnlineForum.com
I've personally found that being a regular on the forums for a Game (and don't be an A$$H0L3) helps a lot Give me an axe and point me towards the caribou, dinners on me.
It would be nice to add to the first email smthing like: Your interest is appreciated. gamesas team accepted your request for beeta , we will inform you as soon as we accept or dicline your request"