As per the Ubuntu tradition of having an animal mascot for each
release version, 10.10 will have "Maverick Meercat" as mascot.
Read in detail on Mark's blog at http://www.markshuttleworth.com/archives/336
Grab the 1st beta from http://www.ubuntu.com/testing/lucid/beta1 for
If you can wait for few more days then 2nd beta is due on 8th April.