The most important thing now will be price.
No, the most important thing will be the resolution of the screen.
For me, I want it to display PDFs very well, so that they are readable on a device of the Mini's purported size. Don't care about price, I'm looking for functionality. If I was only interested in price, there are some great 7" devices out there I'd be looking at instead (and I may be looking at them if the Mini's resolution isn't very good, because those lower priced devices are all higher resolution than an iPad 2).
Let's hope we both get our wishes, that you get a low cost device (which is still great) and I get a high-res device.