When we upgraded to 1.1 that problem went away for the most part. Once in awhile I have to reconnect. There was a tip on this forum that suggested delaying the domain login with a reg hack so we setup a PDC on our network and configured that delay. I think if the VPN negotiation takes too long, the domain controller times out and login doesnt happen. If you are not using domain login and just browsing network shares, it may take awhile for the browse master to update at times, other times it can be instantaneous, other times
it may not ever update. Youre better off using a domain login because the PDC or BDC controls the network shares and permissions so once youre logged in, youre in, period. Hope that helps.
By the way, v1.1 is far better than 1.0. If you had problems with it, you should call the TAC. I think 3.x is coming out in a week or two.