I think that Ubuntu is an excellent distro to be shipped as standard OEM OS. I’ve been using Ubuntu exclusively at home for more than two weeks, and needless to say, I’m totally smitten! It is by far the easiest Linux distribution to get up and running.
At first, I’m a bit annoyed by the weird sudo setup Ubuntu uses. However, it’s just a matter of getting myself adjusted with how to work with the distro. I’ll be very honest here, I don’t really miss Slackware that much.
I believe that Dell’s move to ship preinstalled Ubuntu systems will be a success. It’s a win-win situation for both the Linux community and Dell in the making.