I thought Emacs 24.0.92 was the the most current version.
Emacs 24 is in development and there's been no release yet, although many people run an Emacs 24 snapshot.
I've been using the snapshot. It's got much better typeface support. Some things are odd, eg the. Buffer list appears to be reversed so I had to swap my buffer forward/backward macros. And it sometimes fails to load ido.