Now that the real, thorough reviews have landed, you've hopefully had a chance to read thorough some of them and get an intimate look at the Nexus 7. To summarize David's review:
The scary thing about the Nexus 7 is that I can't think of a good reason not to go out and buy one. Seriously - if you're on the fence, just do it.
In fact, just about any review you look at will say the same.