ahh, stop bitchin about wireless mice in classrooms. You know that they're going to stick with wired...
A 2 button mouse with a scroll wheel that uses bluetooth would be great with pro machines, and here's why...
1. If you use a 1 button mouse, and are happy with it, try out 2 buttons, or just stick with your current mouse. I'm almost sure that you'll like the 2 button mouse with a scroll wheel...
2. If you bought a Mac, but use a different mouse, because you didn't like the 1 button, good for you! Now, you can use an Apple mouse when you buy a new Mac. Just because Apple introduces something new doesn't mean that you have to rush out and buy it.
3. Laptop users, Have you ever wanted to play a game, or do something where a track-pad just doesn't cut it, or when you want a scroll wheel? If you've tried a regular USB mouse, you'll know that that wire can get annoying, especially if you're right-handed and have an iBook (like me), because you have that wire going across the computer. The bluetooth option (whether built in, or external, although built in would be better), would allow for laptop users to easialy carry around a mouse to use instead of the trackpad.
Now, I know that people have their own reasons for loving/hating a 2 button, wireless mouse. That's nice. You can either get a new mouse, get a new Mac with a new mouse, or stick with your current mouse if you like it. I'm just saying that I believe that many people would benefit from a 2 button wireless mouse. No more restrictive cable (although there's bluetooth's range...), and no more having to use the keyboard to do simple tasks, like make a new folder, or get info...
I do agree, though, that Apple should keep the new mouse to the PowerMacs, but make it a bto option on iMacs, iBooks, and PowerBooks. I don't think that schools will want wireless, so the eMac stays with wired... They should also make the 1 button wired mouse a bto option on the PowerMacs, just for the stubborn people.
How the mouse would charge, I'm not sure, but I expect for it to be something like a cell phone. A little cradle (notice, little, it doesn't have to hold the whole mouse) that serves as the bluetooth controler, and the charger, that plugs into either firewire, or USB (if USB has enough power. If not, then definately FireWire...)
Anyways, that's what I think...