My one final request would be getting Broadband Adapter emulation so we could play some Mario Kart Double Dash online or some Phantasy Star Online too.
So much yes
Edit: Hey, [user]Fix94[/user], have you ever thought of approaching the Wiimmfi team for servers to do this? That way you don't have to use your own servers to attempt to handle all the traffic, and I would assume that Wiimmfi would be capable of hosting another 3 games