I think what will be hard to manage is all the time zones. 7 pm is good for me, but it would have to be 7 pm central. Of course, that''s still 5:00 for people on the west coast. Not to mention that there are a lot of Europeans that visit the forums and might want to call in... Maybe fluctuate the tim every week? One week a good time for Europeans, next week a good time for Americans, then Europeans, etc...