Go here:
http://linuxiso.org/ feel free to download some distros and try them.
Here's the one I'm using now:
http://jamd-linux.com/
And here's the best one if you don't feel like installing right away:
http://linuxiso.org/distro.php?distro=44
Besides the advantages mention all over, unlike windown, linux is just plain cool. If you are curious, just give it a try. And I hope to see you in the op0en-source world.
