I think this sounds like a grand idea! Tbh I would almost certainly attend something like this (the smogcon event we tacked onto was ace)
Also a 100% Faith you would pull this off flawlessly!
Totally get your point on letting another person step up,(Like you said some great people stepping up and running events) and would agree if you was just running a straight up event, however this is a little more, a further development and would personally like to see you continue on the flag ship!