Switching to SMF wouldn't require users to sign up again. It would just tranfer all the accounts to the new forum. I strongly encourage you to check it out for yourselves.
Also, the community, using SMF, of the site in my signature (I'm not plugging/adverting/spamming the site) has over 900 members with little slowdown. Granted, it doesn't have anywhere near the amount of data TSR's server has to process, but still...
Also, the community, using SMF, of the site in my signature (I'm not plugging/adverting/spamming the site) has over 900 members with little slowdown. Granted, it doesn't have anywhere near the amount of data TSR's server has to process, but still...