Replacing Celtic with a new Property Management Company

What is the selection process for a new management company?

Are there firms that the board will not be considering?

This is an interesting thread (Don Brown gets a honorable mention)
http://www.connect2edmonton.ca/forum/showthread.php?t=16208

What is it we want from the management company? Do we have a job description?

How will the new company handle the transition from Celtic?

Is self management a viable option?

I'm not looking for specific answers, just posting some musing to elicit comments.