We've just booked the Grand Californian at Disney Land in June/July for 4 nights with points. We're interested in upgrading to concierge but aren't sure if that's even possible. Has anyone done this before and if so was it done through MS or through the hotel directly? If it was done through MS, was it with points or cash? I always seem to come up with these great ideas (and questions) when MS is closed!
Thanks!!

Thanks!!