Dartmouth has great programs in every area. I have friends that were Econ. majors that went to Wall Street; I have friends that were Art majors and went on to do better than the Econ. majors. Dartmouth is mostly known for the totally unbelievable atmosphere at the school. Dartmouth has one of the best alumni giving rates in the world - which means that their alums. love the school. A Dartmouth grad. will rant and rave about their alma mater all day; about the DOC trips, the parties, the D plan (look this one up, it's the best part), the clubs and the entertainment.
Really, Dartmouth is a small school at heart - that's why they call themselves a college. It's also an Ivy, though I hope that isn't why you would choose a school. If you go to Dartmouth you are going to get a much more personal experience than if you went to the other Ivies. It is also for someone who loves activity and the outdoors (it is almost in the middle of nowhere). I suggest that you don't look at Fiske guides, because they are going to show only numbers and other BS. Don't get hung up on Mid-Range SAT scores compared to Harvard or whatever people worry about. Talk to a grad (how I got interested), or look on websites that give reviews from students. Better yet, take a visit. They have a great student forum that happens after tours which is very unique and allows visitors to get a great feel for the school.