Awesome! WordPress has just released the release candidate of WordPress 2.8, which seems to contain an awesome amount of improvements over WordPress 2.7 (most of them subtle and unexposed to the end user). I’ve been running the trunk version of WordPress for months now, and I have to say that WordPress 2.8 is stable and usable.
If you want to stay up-to-date with WordPress, you can try running it from SVN. I’ll post a little guide on how I do it soon.