I use multiple desktops (not sure what the feature is called anymore) in 10.8.2. I have about 4 of them, and for some reason, #2 and #3 keep switching places! any ideas why? I just have different browsers, a finder window, (simple stuff) in each one. no full screen stuff, nothing fancy. ARRG!
iMac, OS X Mountain Lion (10.8.2), i5 with Thunderbolt