WordPress 2.0.6 has been released, which contains a security fix as well as a couple nice assorted things to keep things happy. I’m particularly intrigued by the comment filtering. I’ll have to look into that to see how that all works.
But yes, WordPress users should upgrade. :) I’m running it now on The Blog and so far, so good, but as with any upgrade, please let me know if there are problems. :)