[clauretano]

Especially with the low screen resolution of the 11" MacBook Air, full-screen mode becomes essential. On a 27" 1440p display, not so much. I personally use full screen mode for iTunes (mainly so that iTunes is always a quick multi-swipe away) but not for anything else.

I think the animations on Mac OS make full screen mode great. Slide some fingers on the trackpad and you switch to the next full screen app or virtual desktop. On Win8 it's a jarring zoom in zoom out animation, without any ability to 'peek', at least using a mouse/keyboard interface on a desktop.