Ken Levy has already stated that the beta will only be avaiable to official beta sites and DevCon attendees.

>Hi, Paul,
> I have the same feeling as you, I hope the VFP 8 BETA version could be downloaded from microsoft website or any other website for the VFP developers. Maybe I am not a expert developer of VFP, but I also wanna have a try on new VFP version. And all the experts are coming from the beginner.