Hello
I have exactly the same problem
Best i can do is: GC (with BBA) + 2 Wii (Nintendont) + 1 Wii (Devolution)
GC (with BBA) + 3 Wii (Nintendont) = too much lag
I can add USD 100 to the bounty ( total, USD 200 ) [ to get 2 or more devolution systems to connect in mkdd, in a for everyone...