hmm, sounds really intresting to me....
so groups can work together on creating hacks released by the whole group instead of one individual. which can lead to some greater add-ons not just simple hacks, really addons.
but as long as we have installed vb2 here it's not so easy for the admins to create these usergroups with their own forum and so on...
maybe the should use a beta of vb3
but i think it's a good idea if it's practicable to do