Nook HD has no
- web cam,GPS with google maps ,no USB host so you can connect USB devices. NO google play store 500,000 ++ Apps (2nd largest in the world) NO SIDE loading of Apps
NO access to other App or book stores.
With the Nexus 7 you have all that + you can expand the memory using a very cheap App $2.99 & a OTG cable so you can connect USB memory sticks,cards or hard drives for unlimited storage to your nexus 7.
NO ROOTING NEEDED
Google play store has lots of apps that are FREE that other App stores like Amazon and B&N charge for.So if you have a device to access the google play store you can save yourself more money.
Amazon $2.99 Bad Piggies HD version
Google play $0.00 Bad Piggies HD version