I am firmly in the Mac camp now, and has been for quite some time with a 17" MacBook Pro running OS X 10.5. There is nothing like it, I swear. Open the lid, and be surfing the web within 10 seconds, no fuss. Or fire up iTune and listen to internet radio, or purchase and listen to songs all night long. Have to run Windows? no problems, do it seamlessly with VMWare fusion. Same deal if you want to run Linux, or whatever. The full power of Unix and X Windows is there too, should you need that. Or may be you just want to learn Cocoa with Objective C and XCode. You name it, and you can find it. I have never been this pleased with a computer before. And when coupled with an iPhone, well...