Designer Martin Hajek has created a detailed set of renderings of the rumored iPad Mini, based on leaked specs and parts photos. (You can buy the 3D model, too, though I'm not sure what you would do with it.).
The design, as he has interpreted it, is a cross between the regular iPad and the new iPod Touch, which is a good thing. Now, to figure out the price. (via Gizmodo)
Here are some of the leaked parts the renderings were based on: