[gregcohn]

Like everything else, it's a question of supply and demand. If they want you badly enough, they'll interview you on whatever terms you demand. If you want them more than they want you, they'll set the terms and you'll have to figure it out.

FWIW, I think the hiring/recruiting interface is a pretty good indicator of broader attributes. When I'm recruiting, I definitely notice if a candidate is responsive/eager in the scheduling process and has his or her act together on the day (shows up on time, leaves enough time to park, etc). And same when I interview with companies. I've rarely found false signals either way.