Ok, I will be in Boston proper 9/13-9/17 for business. My wife is flying up on Thursday, 9/16, so we can spend time away until Monday, 9/20. This will be our longest time away from our 3 kids (7, 4 &4) since we have had them and I need to know what fun and inexpensive things there are to do. I know Boston and inexpensive don't go together often but what are some romantic and enjoyable activities. I would prefer not to rent a car unless we were driving to Newport for a day or somewhere else outside of where the "T" goes. Please give ideas for activities, restaurants as well as hotels. Thanks!!