Alexander has updated his Groovy processor to work in Alfresco 3.0 (3.0 stable final). Previously it was for Alfresco 2.x. It allows using .groovy and .gsp in web scripts installed in Alfresco. I will have to try some Flex UI calling Groovy web scripts, later support server-side customization of FlexSpaces and FlexibleShare with Groovy!.
Update: Here is a link to a 8/19/2010 blog post from Peter Monks at Alfresco
http://blogs.alfresco.com/wp/pmonks/2010/08/19/alfresco-and-groovy-baby/
His Alfresco Forge Groovy project using a different approach
http://forge.alfresco.com/projects/groovy/
(no download file, need to be logged into Alfresco Forge then can browse code in svn)
Steve Reiner / Integrated Semantics, follow on twitter
