Ubuntu's Touch Developer Preview was originally put forward as something for "enthusiasts" as well as developers. Well, having been hands-on with the code that will be made public tomorrow, we'd say it requires enthusiasm a-plenty -- perhaps even amateur coder quantities of the stuff. That's because a lot of core functionality is still missing from the OS, such as the ability to play music files or import real-life contacts, and there's a long way to go if it's to be signed off as "code complete" in October. On the other hand, this is really just a statement of the obv