Download it from here (http://new.wordpress.org/latest.tar.gz).
484 kb expand to 1.960 kb tar file
Not so different from user view, compare to old one. But there are many new hidden. But it add these visible differents :
* Import tools from other blog system
* User roles
* More customize permalink structure
* Include wordPress database backup plugin
* The Rich Editor (using TinyMCE)
* Admin Redesign (drag and drop @ write post)
Not yet check :
* More Abstracted Data Layer
* User Metadata
Try it by yourself 🙂
Related links :
What’s New in WordPress 2.0?