I have the nexus 7 and will be getting the new iPad 4thgen to replace my 1st gen. I love the Nexus but the mini looks great. The only worry I would have is that the bezels on the vertical sides look almost look to thin. Even when reading with the nexus I sometimes inadvertently change pages and I think this could be a greater problem on the mini. So for reading I would need to try it first.
According to Apple, iOS is capable, on the iPad mini, of recognizing whether your thumb is resting on the narrower border, or tapping on the interface.
"Rethinking the screen meant we also had to rethink the software behind it. iPad mini intelligently recognizes whether your thumb is simply resting on the display or whether you’re intentionally interacting with it. It’s the kind of detail you’ll notice — by not noticing it."