Stayed for a week in April. Nice hotel. Stayed on the tower floor. No upgrade for Gold in an empty hotel.
Learn the russian alphabet. Lots of words are identical to english words.
Tell the cab driver you want to go to the Sheraton, and that it is on 1st Tverskaya Yamskaya Street 19. there are 3 TYstreets.
If arriving by air, have the hotel send a car.
Use the subways, as there are few cabs in the area, and traffic is very bad.