I guess for this one I would recommend ranking geographically. If you prefer to be on the East coast then I would rank NYU, Cornell, USC, Yale
If you prefer to be on the West Coast then bump USC to number one.
If you are ranking based on reputation then Cornell, USC likely tie NYU, Yale
If you are ranking based on operative case volume USC, NYU, Cornell, Yale
I interviewed at all of the above last year. I did not like Yale at all and I had heard bad things about the floundering Yale program from some of their recently ex-attendings. I found that Cornell was in a nice location in NYC but their residents do very few complex cases since it is so fellow heavy. NYU and USC were very similar in the fact that they are affiliated with major academic centers as well as county hospitals. This allows for a great dichotomy where you get to watch and learn but at the same time you get to do and learn. I ranked NYU and USC ahead of Cornell and I did not rank Yale.
Hope this helps.