So, I finally upgraded to Lion on my MBP yesterday. At first, I was pretty pleased. Then I closed the lid and walked away.... When I came back, I noticed it hadn't gone to sleep. The light on front was on. When I opened the lid, the screen was lit, but quickly went black, as well as the light on the front. When I close the lid, the light on the front goes on, and I can feel the hard drive spinning up. Open the lid, and lights out, HD stops.... It's like the sleep toggle is backward. A reboot resolves the problem until the lid is closed again. Reset PRAM, SMC, no difference in behavior. Bah!