Last summer I had a revelation while shopping at the Antiques Garage Flea Market in Manhattan's Chelsea neighborhood. I was looking at a $25 art book and having a tough time deciding whether it was worth it. So I went ahead and did something that to this day makes me feel really bad about myself -- I whipped out my Apple (NASDAQ:AAPL) iPhone and searched for the price on Amazon.com (NASDAQ:AMZN). Now I'm the type of person who complains that New York has become far too safe and clean and that it's overrun with big chain stores that push ...