I've proposed Wikilabs on [[New project proposals]].
see:
http://meta.wikimedia.org/wiki/Proposals_for_new_projects#Wikilabs
and:
http://meta.wikimedia.org/wiki/Wikilabs
SJ, I put you down as a proposer, feel free, of course, to remove your
name or move it to 'People interested in joining.'
Christiaan