Google recently updated its Nexus 7 tablet, with a new design and brand new specs including a more powerful processor and much better screen. The device also has the distinction of being among the first in line for new Android updates, so it’s an early-adopter’s delight. But despite all the new, the Nexus 7 doesn’t really dramatically change the tablet space; it slots in more or less where the original version did, as a tablet that’s good for the price but unlikely to provoke any passion