In defense of Ubuntu

It actually makes a lot of sense, when targetting small business as a customer, to make a
distro that employees *can* run at home, even if not in the exact same version (Professional
vs. Home, for example).  If your employees use the same OS at home as at the office, they're
more comfortable with their computers, at least in theory.  What's more, they're self-training
on the OS at home, so you need to invest less in training them in the basics on the job.