This is too damn funny.
Whatever Windows version you are using now, you really have to upgrade to Windows RG.
And after that, go to read about The Great OS Shootout: Mac OS X vs. Windows XP.
Or read The Grumpy Gamer share about his experience switching from Windows to a Powerbook.
Full disclosure: I am a Mac head and I think Macs rule (this site is proudly made with the Mac, for the last 7 years). But some of my best friends are PC users. Heheh.