H.264 is a really good codec. It's also convenient for me to use, in a way that WMV no longer is since I made the Mac switch. But lots of people have had problems playing it on their Windows machines (and the codec isn't native to Vista, either), so... bleah. Here's the promo from the previous post in WMV.
The video itself is just about done, but before I can publish it I'll need to do something about the 2257 problem. Haven't got that one figured out yet.