and then combine that with a run up 95 to see a Broadway play in Manhattan. Spring for some real seats ($300 each) and sit in the Orchestra for a big time musical, then a stay at the W or some other swanky New York Hotel.
Here's the Winterthur exhibit link:
http://www.winterthur.org/Downtonabbey
It's a famous Dupont estate that is from the same era as DA. The travelling DA costumes are there until January 2015.