We need something which allows us to Delegate and Collaborate on a Team level. I have so many workarounds right now that work but I wish we had something much simpler. Even a Shared Projects tab with exposed Tasks on a per Teammate basis that OmniFocus syncs to would be nice.
I've been refining my vision around what I imagine this app to be. You can see the evolution of the concept here:
http://www.novamind.com/connect/users/policarpo
Please cast my vote for this sort of integration.