Get the installation CD and watch this easy step by step guide for installing the new Linux Ubuntu.
Another good video on installing Ubuntu can be found at http://www.5min.com/Video/How-to-download-Ubuntu-Linux-6598. Still, if you're not comfortable with Linux, Ubuntu is not for you. I mean, try watching the above video right after you install Ubuntu. Flash and Linux have a storied history. Provided, of course, you could get online at all if you have a Broadcom WiFi card