Yes, these possibly may be photos....
Drawings.
... or possibly just figments of our collective imagination ...
What resolution could an iPad mini be? If they increase it they would have to use the current value from the iPad. Otherwise, it's yet another resolution for developers to code...
I think the general consensus around the tech community is the same as the 9.7" product (2048x1536), resulting in a pretty nice 326PPI, and correctly (within design guidelines) scaled UI elements.
Same apps, no changes to resources in app bundles, little-to-no development issues.
Just need a CPU/GPU to drive that without any performance loss (A5X? A6?) vs. the current product, +but+ without any loss in product size/weight/battery life, which will be tricky. Assuming another reduction in the die size (power needs) of the CPU/GPU selected, combined with a very _low_ power display tech (IGZO?)