It’s sleek. It’s functional. It’s running the newest unadulterated version of Android. And it’s priced to sell. The Google Nexus 7 tablet could have all the ingredients it takes to make a great consumer device. That doesn’t necessarily mean it will take off in the mass market. Will the Nexus 7 challenge the iPad’s supremacy and dethrone the Kindle Fire as the top Android tablet? That’s the question for this week’s ReadWriteMobile poll.