I am using Ubuntu 9.10 as my primary OS also and it has been nothing sort of satisfactory. However the article does point out a few useful suggestions in order for Ubuntu to be the leader in Linux Desktop Computing.

It does? All I read was whining.

I installed 9.10 on my MacBook Pro yesterday. My main issue was that I couldn't get the non-free wireless drivers started without uninstalling and installing a package followed by restarting.

I upgraded from 9.04 and it's working out pretty well