DeskDemon's got a new facility on the home page as it relates to conferences sinice we get this type of question all the time.   We find them ethical, quick and useful as well as taking budegtary constraints into account.

Have a look at the online form which you can access by clicking here http://www.deskdemon.com/pages/conceptconf. or give susan a call directly and tell her we sent you.  Let us know how it works out!