Mozilla foundation has released Firefox 3 Alpha with code name Gran Paradiso Alpha 4. This release version is for testing purposes and is built on the next generation of Mozilla’s layout engine, Gecko 1.9. According to Mozilla Developer site there are no significant unser interface changes, however there are many core layout and rendering improvements.
Downloading Gran Paradiso Alpha 4

Microsoft Windows 2000 or later
MacOS X 10.3.9 or later
Linux
Changelog
