For those of you that don't want to rummage through a wall of text, here is the juicy bits.
IGN Wii: Along with new roster updates and mini-games, what can Wii players look forward to this year? Have live roster updates, streaming stats, or any other features been added to give the game the NFL feel?
Damian: It doesn't get any more NFL than streaming sports scores, which have been added to the feature set this year when you log into our brand new Online mode.
IGN Wii: Please go into detail in regards to online multiplayer. What modes can you play? Will it be as robust as, say, the 360 version?
Damian: The online mode this year on Wii will allow two-player Exhibition games which can be ranked or unranked matches. Once you've signed into EA Nation you'll have instant sports scores stream into the lobby and have access to quick play features to jump right into the action. Updated rosters, Leaderboards, EA Locker and EA Messenger are all a part of the online package this year.
IGN Wii: Does the online mode automatically import your system code, or do you need a separate friend code to play Madden online?
Damian: Madden Wii doesn't support the Wii friends system during online play. This is something we're still working on with Nintendo. For now our online play uses your EA Nation Persona to search and manage your EA Messenger account.
IGN Wii: How many of the game modes are multiplayer enabled? Can you play all mini-games, tournaments, and modes on and offline? Are there any online seasons/tourneys for the Wii version?
Damian: Pretty much all of the standard offline game modes are local multiplayer enabled. Social gaming is the big push for us this year with the inclusive of Party Mode and Online Play. We don't support online tournaments this year. However this is something we're looking at for next year. With this being the franchise's first year online on the Wii we have concentrated on delivering the core Madden gaming experience at a high quality.
For those that do, Link - http://uk.wii.ign.com/articles/795/795634p2.html
If other companies start following this benchmark, EA may be responsible for turning around the Wii's online functions. No-one likes friend codes for every game. This may solve that problem.