CertCities.com try out Ubuntu very appealing in their review of its usefullness.
Read it at their site
Ubuntu offers an interesting approach to Linux. An attempt to make everything truly free, and including only software that requires no licensing, Ubuntu is definitely a step in the right direction. The ability to not only have the operating system, but make the modifications to it that you want in order to fulfill your needs, is something that should appeal to developers and businesses of all types. It is my belief that this distribution will become a strong marketplace contender in coming years, and one that is worth becoming familiar with now