Have you heard of the latest trend? Windows is so last season. The action is happening on Linux. It is a really great project. Linux is a free operating system that anyone can use and download. You have thousands of applications that you can install and they are all for free. Linux is not owned by a company but by a large community. Anyone can change, copy and pass on Linux. It is a computer revolution. There are lots of flavours of Linux and you can choose which one fits you the best. Some Linux distributions are created for beginners and others for professionals. It is up to you what you want to use and how you want to use it, Linux is very customizable. You can also use your Windows purchased applications under Wine, for example Windows games work pretty well through it. You can add themes and icons to make Linux look anyway you want. There is also some really cool eyecandy from Compiz Fusion. You can get a 3D desktop cube and other great features. The Linux project is gaining a lot of momentum and is growing fast. There are great people in the community that are willing to help you out if you have any questions. Also, there is plenty of literature for beginners. You have access to forums, websites, blogs, e-books etc. So why don't you join the free and open source computer revolution and be trendy? Below are some links to different distributions to get you started with Linux.
Ubuntu - Great Linux OS, very easy to use
Mint Linux - Based on Ubuntu, works right out of the box
Open Suse - Has strong financial backing behind it
Fedora - Another great flavour of Linux OS
Debian - Has a nice format for easy installation of applications