Im too dumb to use anything but Windows, I hate remembering keystrokes and leet haxx0r shit.
It's really easy actually, as long as you don tog digging under the surface, I can do everything in Linux I can do in windows for the most part, even run shit like office and crap.
You can download a "live cd" that basically boots from a cd and gives you a feel what it would be like, without wiping out your machine.
Vista is nice and fast an shiny, but the future of DRM has me a bit freaked out, never hurts to have a second option.
