- «Action»: Real cross-wiki teamwork in research, corrections etc. -
in handling items (actionitems) from agenda.
For the beginning if you want ;)
http://meta.wikimedia.org/wiki/Category:Multilingualism
(forgotten ideas, but resurrection is possible):
http://meta.wikimedia.org/wiki/Wikipedia_featured_articles
http://meta.wikimedia.org/wiki/Wikipedia_good_articles
http://meta.wikimedia.org/wiki/Chapters_coordination
etc. etc.
przykuta