Much of this is still up in the air, of course, but it's fun to start thinking about what we can expect. The first alpha version of Oneiric Ocelot is due on June 2, according to the software's , with the final release due in October.
I don't know about you, but I'm already champing at the bit to test it out. In the meantime, check out this with Canonical founder Mark Shuttleworth for some more insight.