Here's an ebuild for Zope/Plone's GroupUserFolder (GRUF) version 3.2. I have tested it with the latest development versions of Zope, Plone, and other related packages, and it works fine.
Created attachment 53357 [details] ebuild for Zope's GroupUserFolder (GRUF) v3.2
commited into portage. but please be warned on using it with plone2.0 not sure if it even should be -* masked. please report back and reopen this bug in case of problems.