9to5Mac has what looks like the full inventory list of Apple's upcoming Mac product lineup that's expected to be announced at WWDC. It includes the price of every product and shows over a dozen updated computers. Basically, this list shows that the the entire Mac lineup will be receiving updates.
The inventory list is in Australian dollars ($1AUS is about 64p), but it gives you an idea of the upcoming prices. The inventory list shows new MacBook Airs, MacBook Pros, iMacs and even the Mac Pro. As for the other part numbers, MacRumors points to the 'K31' item as a possible updated AirPort Express.
We'll all find out come WWDC, but it's looking more and more like every Apple computer is going to be updated. [9to5Mac]