Using Free and Open software on your PC will save you money and also provide a more secure operating system. Switching to the following applications on your Windows PC will help you smoothly transition to the Free and Open Linux desktop.
Firefox as a replacement for Internet Explorer http://www.mozilla.com
Thunderbird as a replacement for Outlook Express http://www.mozillamessaging.com
Open Office as a replacement for Microsoft Office http://www.openoffice.org/
Abiword as a lightweight replacement for Microsoft Word. http://www.abisource.com/
Pidgin to replace your instant messaging software http://www.pidgin.im/
And finally Ubuntu as a replacement for Windows http://www.ubuntu.com/products/whatisubuntu/904features/
Once you go free and open there will be no turning back to the dark side. Go set your desktop free… 
