Restaurants posting calorie counts

If you found out there were way more calories in your favorite soup and sandwich combo than you thought, would you start ordering differently? That's what is happening at my husband's office. He works in New York City and about a year ago the city passed legislation requiring labeling on menu boards for chain restaurants. (Since then a number of other cities have passed similar legislation.) When my husband and his co-workers recently saw that several of their favorite lunch eateries started posting the calorie contents for the items on the menu board and they were significantly higher than they thought, their orders changed. One of his colleague's favorite soups was astoundingly high in calories and quickly dropped off the list for ordering a "light" lunch. This is a good reason why labeling of foods at restaurants is so important - it's extremely hard to guess the number of calories in a dish prepared by someone else and we can be underestimating by hundreds of calories.
So, while it's always a question as to whether people will change their eating habits by just knowing how many calories are in the foods they enjoy, this has clearly been the case in my husband's office. I know that I would have a hard time ordering anything with a huge number of calories staring back at me on the board. Luckily, I live in the suburbs and can blissfully (and ignorantly) enjoy my favorite foods - for now. I'm kidding, of course. My hope is that menu labeling will spread throughout the country and perhaps make a real impact on the public's health and waistline. Because, obviously for my husband, this is making a real difference in the foods he's choosing and I know I have a definite interest in him living a long and healthy life. Do you think it would be helpful to see the calories right on the menu or board at your favorite eating establishments?