I really hate the stupid play button on movie icons now. You cant double click the middle of icons anymore because it will just play the thumbnail instead of open... you have to click the edges to open them. Are they nuts? Keep all the gimmick stuff in cover flow view please.
I also dont like how you cant have the files play automatically when you open them since they took out the preferences for Quicktime. It just doesnt make sense, why would anyone want to double click the file then click the play button? If they opened the file then obviously they want it to play. Augh.
Quicktime still needs a lot of work, it seems really unstable. Im hoping preferences will return too. The way SL handles movies so far is really irritating.
Stack navigation is of course really nice.