Newsweek's N'Gai Croal usually has a lot to say about the videogame industry in his Level-Up blog. I can't say that I always agree with him, but in this particular case, I feel he's hit the nail right on the head.
In a conversation with MTV News reporter Stephen Totilo, N'gai proposed a redesign of the Wii remote that he would've liked to see bundled with Metroid Prime 3: Corruption. Basically, the only changes would be Gamecube-esque placement of the "-" and "+" buttons, flanking the large "A" button for easier access.
After explaining his new design for the remote, N'Gai confidently said, "I know you'll agree with me" - and yes, I do.
Anyone who's done a fair bit of scanning in Metroid Prime 3 would probably agree with Mr. Croal, too, because that game can give you a severe case of cramped thumb after a while.

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I agree, but I think the buttons should be put underneath the A button. think about a game like paper mario where you hold the remote sideways, you'd always be hitting plus and minus if they were on top of the A button like in the picture.
Ahh. Excellent point, hobo
I hope something like this actually does happen, because it proves quite a nice positioning. As for the old style, perhaps they could still sell the old ones and call them "Classic Wii Remotes" or something. Or you could just get used to it. :P
Yeah this would be nice