Hi
We are getting ready to release 2.2a this weekend.
An importnat change in this release will be the new themes package that changes the look and feel, navigation, and they way that these things can be change by webmasters (using a single CSS).
The 5.2 test servers at:
http://strauss.gast.it.uc3m.es/
are now running theme-selva.
Please go, use them, and report bugs (including usability requests) in the bug tracker
A number of usability improvements are pending, but more reports at this stage would make a big difference.
Thanks
Rafael