Just a thought. Maybe if Nintendo gets enough requests for a HD (720p, 1080i, 1080p) upgrade it will take it into consideration? I sent them an email asking about this because I think its a big problem. When I use component cables on a 42" hdtv the jaggies are horrible. All i want is a smooth looking picture. This isn't unprecedented because the Xbox 360 released an upgrade to give it 1080p support. So, if you're having the same issues why not take thirty seconds to express them to nintendo and let them know that the Wii owners of the world would appreciate at least a 720p upgrade.
Here is the link to the nintendo email customer support form: