Ditto from the other thread...
Remember, there is a YP element to waitlisting. There is also a class-management element that many people hve predicted will be a big factor this year due to decreased applicant volume (and possibly decreased average numbers).
If Jolie's right, UM moves through the waitlist pretty quickly. And there's not a better Admissions staff in America. If anybody is worth bearing with, I think it's Michigan.