The list of people at those schools is available. However, I think it is far more valuable for people to spend their visit meeting people who have the same career interests. I can't really explain to someone what resources are available for someone wanting to get into a HF other than saying I have friends who got offers from X, Y, and Z. Reaching out to people in the clubs you are interested in will prove to be much more helpful.
If you have generic questions anyone can answer those...heck with 3 years worth of threads (2 of which have TONS of posts) the stuff posted on this site provide incredibly valuable information if people take a few minutes and scan them.
_________________
Kellogg Class of 2010...still active and willing to help. However, I do not do profile reviews, don't offer predictions on chances and am far to busy to review essays, so save the energy of writing me a PM seeking help for these. If I don't respond to a PM that is not one of the previously mentioned trash can destined messages, please don't take it personally I get so many messages I have a hard to responding to most. The more interesting, compelling, or humorous you message the more likely I am to respond.