The problem is, none of us really know how that stuff works. The best I think any of us can do is to say that Cornell has, in the past, been fairly generous to people in your numbers' range.
The best thing you can do is to make it very clear that you want to attend. They know how important the financial aid considerations are, and they like to get people with high numbers (if only so they can admit more people on a genuinely holistic basis). Their biggest problem is that most people with numbers that high go to schools that rank higher, and once they offer you the money, it gets kind of locked up. But if you express an earnest desire to attend, they're more likely to try to compete for you with the big bucks.
As for applying to other schools just so you can get a Fin-Aid letter, don't. That's just low class and unprofessional: not a good way to get started (admissions people do read these boards and do talk to each other).
If you are worried about your parents income affecting your award, make sure your parents make notes of whatever it is that is keeping them from helping you on their forms. If they refuse, or they just don't want to help you, go ahead and email or call admissions and let them know your situation and concerns. The admissions people are really nice and do want to help, but they don't want to just give money to people who don't need it.
I can tell you for sure that, although the dean's scholarships are the highest award amounts, the difference between that and the next highest is not much, there are at least a few people with 90k.
If you want more specific numbers, check out lsn: http://cornell.lawschoolnumbers.com/applicants/0809/