If he borrows your PC for 3D rendering and graphics, either he has an old Mac or old software, so it doesn't REALLY mean crap.
Windows as an OS, whatever flavor MicroSloth has sold you, is a joke. If user experience means so little, you must drive an old car with no A/C, no power steering, and disc brakes to get off.
MS can't even program their security updates correctly...
http://www.pcworld.com/article/18344...d_to_know.html
If you sit here and tell me you've never had a minute down due to a virus, then you have spent some major money on anti-virus software over the years that you have to keep up to date.
I've never had to install that ****.
http://www.collegehumor.com/video:1886349