Hopefully they do something cool like the Tigers old stadium.
http://mlb.mlb.com/news/article.jsp?ymd=20060616&content_id=1509083&vkey=news_det&fext=.jsp&c_id=det
They are keeping the field, dugouts, gate/entrance, etc and building around it.
It would be cool to keep the rink up and be able to skate on it during the winter.