Exactly, Southampton have this system. Tottenham have for quite some time, though that may be changing with Villas Boas, and the vast majority of Europe including Barcelona. It seems like the most sensible way to me in an era when managers have a life span of one and a half seasons.
This, clearly Oscar is consulted on all transfers and will not have players forced upon him. The idea is that David Burke does all the negotiation, and maintains an overall policy on transfers in the event that we need to change coach.