OK, I interviewed there on 12/10, so here goes...
1. Their website is great. medicine.osu.edu. Also, I checked interviewfeedback.com, but I guess that's not really an option here.
2. The inteview is open file, though I'm not sure if my interviewer had actually read my file before we got in the room. He seemed to be just going right down the list of EC's.
3. Stay with a student if you can. Their host program is really good, and the students are really cool. Also, if you can possibly avoid it - don't drive to the campus. The parking situation was not good, from what I saw.
Oh, and good luck!