MadMonkey: I would like to add comments to one of your suggestions:

2. The ability to put challenge Matches in a Team Challenge waiting room, so Bosses & Captains from all Fellowships can look through and except or get Teams for them.

YES YES YES - this would be great. Just like a person can put a game in the waiting room, have a captain be able to put a team challenge in a "waiting room" for other fellowship captains to accept.