Originally Posted by Dulin's Books
Go to a Sony store and try the devices themselves. Bring a file with you and get them to let you try it. As for Wifi- neither the Nook or kindle have it.
The Kindle has Whispernet so it doesn't need wifi unless you're in an area that isn't covered (very easy to check Amazon's coverage map
before purchasing). I believe the nook has limited wi-fi within a B&N store.