Shawn,
V-22 or Harrier....both seem like a great waste of talent to me if only the best get picked to fly them and combat operations is the goal of Marine Aviator.
Surely that being the case....F-18's, CH-53's, CH-46's, UH-1's, and Cobra's would be the better choice. Even the ol' C-130 gets more combat time than do the Osprey and Harrier fleets.