I have been using Ubuntu for awhile now on two of my laptops and I have to say it was incredibly easy to setup and installing applications on it have come a long way. I love the customization and flexibility you have with the OS. I am all about open source these days and even on my Windows boxes I use mostly open source software. Here is an awesome collection of links on everything Ubuntu related. a great resource for anyone wanting to get their hands dirty and try this OS.
Check it out here.