The people I worked with, and the others I networked with - the culture is extremely collaborative, and the ability to interact with a lot of very smart people who don't have a chip on their shoulder.
I had a great time, and there wasn't anything in particular that I did not like.
Advice to Potential Interns
Learn about the firm's history and culture and how it defines the firm. The firm is very proud, as it should be, of its history and the collaborative nature is critical to their success. Also scour their website for lots of interesting articles on various areas, and on where the firm is headed in the future.
Sample Interview Questions
2 rounds of interviews: Round 1 had 2 case interviews; Round 2 had 1 case interview, 1 written/presentation case interview and 1 behavioral that was very conversational - they were trying to assess if I was someone that could hold an interesting conversation for a period of 45 minutes ("the airport test")