At http://svn.netlabs.org/qt4 its described how to download the beta.
Look at the Qt4 Trac at netlabs, there is the roadmap and the milestones shown ( http://svn.netlabs.org/qt4/
http://svn.netlabs.org/qt4/
I'm very confident, that the project succeeds. But to get there we still need some sponsor units. To buy sponsor units please follow the link
http://www.mensys.com/
To see the actual sponsored units look at http://qt.netlabs.org .
Many thanks to all who helped to get Qt4 reality.
regards
Silvan Scherrer aka _diver