OK, I’m convinced! Matt announced Akismet a few days ago. Its a spamstopper which is installed as a plugin in your WordPress plugins directory. Akismet requires an API key from your wordpress.com blog (you don’t need to use it there, wordpress.com already have spam controlled for you) to activate it on your other blogs.
Akismet found 17 spam comments straight up after install… obviously my previous spam stopper, whilst pretty effective, was missing some. You get the option to review trapped spam and delete it, as well.
Akismet is free for personal use.
Go to WordPress.com and enter your email address into the appropriate slot and then sit back and wait for your invitation (which might take a few days or a few weeks). I have one spare invite…