The second beta release of Ubuntu 10.04 is available.
What's new?
1. New installer installer:

2. Window control buttons on the left in reverse order:
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3. Many new icons:

4. GNOME 2.30.
5.
Refusal to use Yahoo! as the default search engine.
How to download?
Images are available here -
releases.ubuntu.com/releases/10.04/ . However, you can update the existing system through “update-manager -d”.