Sure MKY, though it was 5 years ago and several WDW trips have occured since.
We checked in the day before our wedding and had to wait until about 6pm for our room (which could also have played a role in the upgrade?). We had the special key for the elevator and once we got off the concerige was sitting there waiting to greet us. She took us to our room, showed us around and gave us the run down on things. We had a stocked mini bar and a good size room. I did see into a suite one morning and that was HUGE!
Each day we would go to the lounge and they would have breakfast (cont), lunch (mini sandwiches), dinner (various little things) but best of all snacks! Chocolate covered strawberries, pasteries, yum, yum, yum. I think they had wine and beer too! We would sit on the balcony and watch the fireworks each night. The morning of our wedding I was sitting out there with my Maid of Honor just taking everything in and thinking life doesn't get any better than this!
I have also stayed conceriege at the Poly, but I prefer the 14th floor at the CR.