Well, we have an email confirmation in place already. Problem is, Spambots get smarter and smarter. We're talking about putting manual confirmation in place (i.e., the mods have to individually approve accounts, which will suck for anyone who actually wants to just register and get going, but... It would let us block the obvious spambots. And since they're usually "fire and forget" accounts, by the time we approve, they'll have moved on even if we accidentally approve a spam account.