Yesterday, Ubuntu 11.10 Oneiric Ocelot (first) Beta has been released and ready for download. As previous, a Beta release is always likely/closed to the Final release, what changes would get there, find out here on quidsup's youtube video.
Ubuntu 11.10 Beta Review Video
What changes, what different, and what features will you find in Ubuntu 11.10 [Final] seems you can peek on this release, check following Ubuntu 11.10 Beta Review Video.
Download Ubuntu 11.10 Oneiric ISO
You can download Ubuntu 11.10 Beta various image through following links.