The third preview of RHQ 4 has been released yesterday.
From the release announcement:
We have just released RHQ 4.0 Developer Preview 3. This release is
intended for developers and other interested parties who want a
first-hand look at upcoming changes in RHQ 4.0, in particular the new
GWT UI. Please note that this release is not intended for production use
or serious testing.
* Improved dashboard
* Improved operations UI (for single resource)
* Improved bundles UI
* System settings have been ported to GWT
* Support for Postgres 9.0
* Support for deleting agent plugins
The release notes tell you more and also contain the download link.
Two weeks ago, I have given a webinar "Overview of RHQ and JBossON". The recording is now available from Vimeo: