Don't know if you guys already noticed it, but it looks like there is a spam invasion on these forums? Look at 'todays birthdays'.
Looks like it's time to clear out members who have 0 posts, many spammers tend to have 0
It will all be taken care of very soon.
Yeah, we did notice
Don't worry though, we have some ideas that we are going to implement here in the next day or so which will hopefully help, and if it does they will be integrated into the "Spam Ninja" functionality we have planned for a future 1.6 release.