PROS: Strong economy mixed with big city amenities and elements of college town (Carnegie Mellon University, University of Pittsburgh, Duquesne University, Chatham University). Pittsburgh Symphony Orchestra. Cost of living 16% below national average, median home price $133,000. High doctors per capita. Good ratings for bicycling, walkability and volunteerism. CONS: Cold winters, high crime rate. NOTED: Average tax climate. Population 306,000. Returnee to list. TRIVIA: River-laced city has 446 bridges.