So, after having reverted to SL for a few months, I decided to reinstall ML using some terminal commands from elsewhere in this forum to make shutdown fast. My shutdown now takes a few seconds, similar to SL, great! THEN I find out that ML sleeps even when a program is doing something, like burning a disc or converting a video file. REALLY Apple? Come on! I'm going to stick with ML this time, but what the hell are they doing at Apple?