What appears to be a 32GB Nexus 7 has already been spotted in Japan, and now a screenshot reveals that the slate has been listed on Staples' business-centric storefront. Staples Advantage pegs the tablet at $248.37, placing it on par with the current 16GB model. If a Nexus 7 with beefed-up storage and a price tag similar to the one above does materialize, Google could put one of the current models on the choppin
