In my Linux journey I used almost all the popular linux distros such as Ubuntu, openSuse, Mandriva, PCLOS 2007, DreamLinux, Fedora,Debain .. etc. So far I found openSuse 11.1 is far better in terms on usability and look and feel compare to any other distro. It just need a little bit of effort to become the most perfect desktop ever. Read the following blog for the details