The only good UI animations I've seen were in Metacity (window manager for Gnome 2). It would move windows instantly, but also provide a transparent trail showi

The only good UI animations I've seen were in Metacity (window manager for Gnome 2). It would move windows instantly, but also provide a transparent trail showing the path they would have taken if they had been animated traditionally. It let you continue working without delay if you knew what you were doing while still helping beginners.