The 'live' CDs available today are truely impressive if you have the memory to do it, and provide people an easy way to test things out safely. I'd urge anyone who has been living in antivirus/spyware hell the past few years to check out alternatives to MS-Windows.
My MIL has been running Linux exclusively for several months now, and has had less issues with it than she used to have with MS-Windows.
i have tried a few different distros a few years ago, if they as easy as every keeps saying now, i should try it again.