Well I guess now that I have begun to settle in here in Ny/NJ I should begin posting.
As for the stadium questions. yes Tiger Stadium has been closed since 1999 if I am correct. I visited it during its last season & loved the park. It was in a non descript section of detroit and while the city thought of ways to maintain it it became too expensive. There were High School games and some movies filmed there since closing. It is now in the process of being destroyed. It is a real loss.
Shea Stadium while an interesting Modern Structure when built had in some ways been altered and was never a comfortable stadium. You are miles away whereever you sat and the stadium just began to feel old. Inside it is pretty ugly, a hodgepodge of several renovations. Honestly it will not be missed by anyone.
Yankee Stadium, where I have been over 500 times in my life including several times this year will be a major loss. I was living in LA during the whole process to build a new stadium and honestly this is one like the Ambassador Hotel, Big Money won out. The mayor, the team owner etc all wanted a new stadium. While most lifelong Yankee fans do not want to see it go, the modern fan only cares about comfort. There will even be lap top plug ins in the new place. It will seat about 5000 less fans, will have many more expensive seats and will look much like Yankee stadium did before its renovations between 1973-1976. The stadium did lose much of its original integrity during the renovations but I agree it should be maintained. The plan is to tear most of the upper decks down and possibly keep some of the lower level and use the field as a park. They even do a countdown as each game becomes official in the 5th inning and turn the number to one game less. I actually turn my back as do many others during this mockery of a ceremony. All decisions have been made and unfortunately there will be no turning back on the preservation of the stadium.