I just picked the Wii Punch Out today, and given that we just had Christmas and there might be a few more new Punch Out owners out there I might as well *bump* this.
So far, I've made my way up to Soda Popinski, and in general haven't had too much trouble in Career mode (though the battles with Dom Flamengo and Great Tiger gave me some trouble until I did some practice in Exhibition). From the looks of my practice fight with Soda, though, the game gets a lot harder from here on out. Still, despite not being terribly fond of the original NES game and boxing in general, I'm finding myself really liking this game. The presentation is quite nice (though I would have liked subtitles for the non-English dialogue. Still, at least I could understand Don Flamengo), and the Challenge mode in Exhibition is more fun than I thought it would be (I've cleared all the Challenges up to Bear Hugger, who I only have the Challenge to clear him in Round 1 left). The game just has a sheer energy and sense of fun to it. Pity the unlockables are rather...blah.