I have not tried Fedora 10 yet, but I am using (and loving) Ubuntu 8.10. I can't
help thinking "what if". What if we could have the best features of Ubuntu and
the best features of Fedora. Ahhh! Bliss.

arstechnica.com/.../20081006-first-look-latest-fedora-and-ubunt\
u-betas-really-shine.html

It seems that for once Ubuntu seems to be leading the way in new features.