Alright, there was no stopping me and I had to get it, the new Movable Type 3.0 Developer Edition.
Since I was part of the beta testers group and have donated money on a regular basis, I got a 50-percent discount.
What a bunch of really kind folks they have at MovableType.
[Warning: for those using the MT-Blacklist plugin by Jay Allen, you're in for a little trouble as it is incompatible with the new comments. You'll have to remove it.]
