Something like one year ago I switched from Linux to Mac OS X. It was not an easy switch if you think that my desktop on Linux used to be this one, that is, just fvmw2 with a minimal configuration, super fast virtual desktop, border-less windows.
Why I switched after more than 12 years of Linux? Actually I didn't decided to switch, just I got a macbook because I wanted to hack a bit with the iPhone SDK and with Mac OS X itself. I installed Linux and Mac OS X in multi boot, and for a few weeks the user interface of Mac OS X was impossible to use for me. But after a few more weeks I was using only Mac OS X for everything.
For the first time I had a system that was working out of the box in all of its parts, it was a good desktop experience with consistent behavior. Screen sharing was cool when working with remote people, no need to hack configuration files or to check why my webcam was not working. To try new programs was as simple as downloading the disk image, opening it, and click on the icon. And.. as optional, the system still usable and responsive while it