When invites are available, perhaps something similar to the GMail Invite Spooler (http://isnoop.net/gmail/ http://isnoop.net/gmail/ ) could be created? It wou

When invites are available, perhaps something similar to the GMail Invite Spooler (http://isnoop.net/gmail/ http://isnoop.net/gmail/ ) could be created? It would certainly beat the inevitable mass-posting of email addresses in comment forms (and worse, there's no way to be sure when someone has received an invite)