We all know it's a bit older of a forum format, and the question does come up from time to time.
The general consensus has always been that we've been comfortable with the way it is, and don't really see a need for change. So there's never been a real desire to move to a different format. Doc has always said he'll go with the majority, it's just that the majority doesn't want to change it. Though if the mood changes, it's not a closed door.