Yes, almost same opinion. I've got feeling about unity people are really trying to step forward linux desktop UI. Not just copy and paste then edit something.
- remove cascade style start menu.
- quick search interface for application, files.
- well organized keyboard shortcuts and inline shortcut help
- make free vertical space as possible as
- it's simple. users only need to understand windows key, left launcher.
Yes, It was buggy and slow at the first time. Maybe Canonical had pushed so much earlier. But it's now working well and really usable.