It's a top ten list of why you should buy a Dell with Ubuntu installed. My favorite is "6) Ubuntu is safer than Microsoft Windows.
The vast majority of viruses and spyware written by hackers are not designed to target and attack Linux." Followed by "2) Ubuntu is based on Linux.
Linux has been around for nearly 20 years. The software itself is not only stable and reliable, but also pervasive. Linux is used on computers of all sizes ranging from the biggest to the smallest."