I've had my N802's since Nov. '98, the first pair my dealer sold. Initial poor packaging issues from B&W resulted in both tweeters being caved in. It took a week or two before the dealer could replace those elements at my house.
Since then, I can't say I've noticed any loss of fidelity from them. I'm sure I can't say that about my ears.
Relax, have an Alesmith Speedway Stout and listen to some Mott...