weekend art getaway: dia beacon

We are toying with the idea of taking a daytrip to the Dia:Beacon this weekend. Apparently Beacon, NY is supposed to be a beautiful old town on the Hudson. Sounds great. Via Metro North, it seems pretty convenient. I saw an ad on the subway for a discounted rail and admissions package. Here is the link, just in case you think it sounds like a good idea too. It takes 80 minutes to get there. I am