I'll swoop back into this thread - about a page ago someone asked if I ask about every rotation when I interview. Thankfully I don't need to. Think about how you'll answer this question: "how many of your rotations were in a hospital where you worked directly with residents on a teaching team?". I always want the answer to be more than 1. And the more the better. Don't worry, I know everyone is going to do some preceptor based rotations. If your answer to that question is 1 (or zero, which I have had rarely happen) be prepared to explain how it prepared you to function as an intern, how you are at managing multiple patients and what you learned about work flow. And before I catch a bunch of grief - settle down everyone, I don't expect a med student to function as an intern. However, I also don't want to spend the first 3 months of intern year teaching someone how to function as an MS3 so they can then start functioning as an intern. It's a short path to ending up on remediation and extending your training.
Be careful going to a program that caps residents at low numbers. As a resident you'll love it and it'll seem totally worth it. When you finish, and decide you want to get a job as a hospitalist, you'll hate it. As a hospitalist you'll be carrying 15-20 patients and if you've never done it before it will be a steep learning curve. Part of residency is learning efficiency, and the other part is balancing teaching/education with volume.
Lastly - be careful who you listen to for advice and who you don't. Feel free to disregard my advice and take the advice of other posters in this thread. Here's me: I interview residents for IM and I'm a full time academic hospitalist. I don't know what the job titles of others are doling out advice for you.