You might have to reenter your old, or a new, username and password to log on. They are apparently operating in beta mode now, whatever that may be.
The VPI forum is back
I hope this is allowed, but Mat Weisfeld finally has the new VPI forum up and running. There will hopefully eventually be a way to access the deep history of info that was in the old forum before it was retired. If it’s okay to do so here, here is the link to the new forum (for anyone interested)
http://vpiforum.com/forum/index.php