I've installed Leopard a week ago. Here things..
I like
- Pre-installed Ruby on Rails and Ruby.
- Spaces: Very stable and useful way to organize your applications.
- Time Machine: Nobody backup his data, now you can easily back to the past and restore your lost files.
- Cover Flow, Preview and Finder.
- The new theme.
- Download folder and stacks: useful to declutter your desktop.
- The new help menu now works like Spotlight.
- Tabbed terminal.
I dislike
No sticky windows in the spaces, useful to watch a film and work ;).- Lack of always on top option for a window.
- No resize handlers on each corner of a window.
