I've voted with yes (particularly anonymous users are now able to download attachments).
But is it really the user database that should solve performance/accounting problems? Can't imagine this. What's about the forum software itself (with no attention to user management)? It is possible to tweak it or to increase its performance/lower resource consumption?
Regards!
The board is not hosted on a dedicated server, as those things cost ALOT more than what I currently am paying.
Anyhow, according to what the SMF devs report (for what I've read), the board benefits quite significantly with the user database, mainly because of the high number of queries and records associated.
There are code level optimizations that can be implemented, like innodb, but for now this the best way to go. And besides, what's the point of the board having thousands of users just for show?