higher prio resource inherits the status message of the lower prio resource
when someone is signed in to the server with two different resources, me double-clicking the contact in my roster seems to open the chat window to the highest resource OK, BUT when the lower prio resource, say, goes offline, the higher prio resource seems to catch the offline message as it's new status message.
here's a pic to illustrate (the picture is taken in a chat window with the higher priority resource):
http://img44.imageshack.us/img44/1909/shotgajimstatusmessageoffline1.jpg