If you are interested in Beta testing the Next version of Rocks (Mamba), Please sign-up and indicate the versions your want to test. Mamba will have the same Rocks code base for 5.5 and 6.0. Expected Release of Beta is Last Week of March.
Sign-ups are closed. Beta of CentOS 6 (64-bit) was released April 1, 2012. Over 90 people signed up for the beta!
Discussion about the beta is via a the rocks mamba beta google group
UPDATE: Rocks Mamba Beta is Now Complete. Please see the production release