As a general rule, I prefer to have my computer randomly select a screen saver rather than using any one screen saver in particular. Unfortunately, some of the screen savers on my MacBook are really useless, because they use data that I don’t have on my computer (like iTunes album art). So what would be great is a screen saver that lets you select the set of screen savers from which to choose, rather than just using all of them. Anybody heard of such a thing?