Well, because of lack of the rumors, it is time for my baseless prediction of fun.
Jan '04 - iPod Mini
Jan '05 - Mac Mini
June '05 - iBook Mini
Yes, yes, the previous releases would make you think, "if such a thing exists, it will come out in Jan '06." Of course, Steve Jobs knows you are thinking this, so he's going to release it at WWDC to pull the carpet from under your feet, so to speak.
Anyway, the iBook mini will have for some reason a 1.2 Ghz G4 in it, and a 12 inch touch screen that will be nearly the size of the entire unit. It is this tablet doohickey we've all heard about. It will have no keyboard, and unfortunately, will not be compatible with Nintendo DS except through third-party emulation.
It will feature 256 megs of ram, airport extreme, and a slot-loading combo drive. The only ports to mar its pristine exterior will be an audio jack (1/8"), and proprietary port akin to the ipod connector. This may possibly even be the ipod connector, or a newer, faster version. This port will have cables like the iPod to plug in through firewire for firewire home folder syncing, or to plug into a dock which acts as both a screen stand and will have all your standard ports - usb, firewire, audio in/out etc.
Without the dock, the price will be 900 dollars. With the dock, 1000.
I completely made that up, but it WOULD be cool, and I WOULD have to buy one.
Edit: I didn't see the mention of iBook mini earlier in the thread. Maybe there's more truth to my random guessing than i thought. 😛