Since mountain lion added full screen mode I haven't had a single window maximized, what I do use though is bettertouchtool with window snapping enabled. It's p

Since mountain lion added full screen mode I haven't had a single window maximized, what I do use though is bettertouchtool with window snapping enabled. It's pretty much windows 7's snapping feature that allows you to drag a window to the side to snap to that half of the screen, works really well.