If you are an active reader (and right-handed
you will be very likely to experience a cracked right forward button within a year of use. However, I found that BN had no problem replacing my Nook when this happened. They didn't give me any trouble at all and even sent the new Nook before I sent out the old Nook. They give you 14 days to ship it back to them but they send your new Nook 2nd day air.
I'm sure they will engineer this defect out of Nook 2.0 since it must have cost them quite a lot of money by now.