There is a new ADL workbench available. See
http://svn.openehr.org/ref_impl_eiffel/TRUNK/apps/doc/adl_workbench_help.htm
The new features are described here:
http://svn.openehr.org/ref_impl_eiffel/TRUNK/apps/doc/adl_workbench_help_whats_new_20070110.htm
- thomas beale