While, many of us feel the Post Gazette still ignores far to much of our grass roots local art scene, it does a pretty good job covering many of the major museum shows.
Here's a Fall Art's Preview of major regional shows @ The Carnegie, The Frick, The Butler, The Westmoreland and more. Very well laid out. As I said, I think if you haven't visited Pittsburgh yet, now might be a great time to spend a week here--or just a few days, if that's what you got.
Cleveland area museums are not included in this list.
Fall Arts Preview