Though Feature freezes in time, but it seems taking a bit more time shooting out bugs. 3.0 Dev team working day and night, but First public beta did not got released at March 22 as planed. But we have WordPress 3.0 Alpha or 1st Development Version.
Get WordPress 3.0 Alpha:
There is 2 way to get it in hand.
1. Use Beta Tester plugin. You could found it here
http://wordpress.org/extend/plugins/wordpress-beta-tester/
2. Get it directly from this link
http://wordpress.org/nightly-builds/wordpress-latest.zip
Its WordPress 3.0-alpha.
Remember its Development Version, so its buggy. Use with your risk, and we suggest dont run it on a live working site, test it in local server or subdomain or in test server.
Few New leaked Feature WordPress 3.0 will have:
1. Custom Post Types
WordPress: Touch it, Squeeze it, Turn it, Flip it
* Photo Posts
* Quotes
* Chats
* Audio/Podcasts
* and of course Video

Check Details at Here
2. WordPress 3.0 Menu Update
The new menus WordPress 3.0 just got an update, provided by Ptah Dunbar. Thanks Ptah, cool work! I checked out the new version. But first a screenshot of the backend:

3.WordPress 3.0 Background settings

Now you have the option to set positon, repeat and attachment.
4. WordPress 3.0 Header Image
8 header images are available in the new theme TwentyTen.
5.WordPress 3.0 Specific Author Templates
In WordPress 3.0 it will be possible to use specific author templates. The function get_author_template() has been expanded in wp-includes/theme.php.
Now you can create a author-michael.php or author-123.php, which will be called via the WordPress Template Hierarchy in connection to the author with user_nicename michael or ID 123. Basically the same funtionality as we known for categories.
6. WordPress 3.0 Multisite Settings
Exclusively 2 Screenshots of the new WordPress 3.0 Multisite Settings. You can find them under Options->Network:

After you set the settings, you receive in a second step the content for wp-config.php and .htaccess. Additionally you have to create the subfolder blogs.dir in wp-content , where you put the media-files for each blog.

Since WordPress 3.0 is still in development, there might be many changes until the final release.
Source: Thanks And Credit goes to Michael @ WPEngineer.com, kovshenin.com, dentedreality.com.au, wpdevel.wordpress.com

















Its really looking good however i didn’t see anything about advertise like in google blogespot where with 1 click you can build in ADsense