Your right. Still, I would make the same post. Does the president decide to drop a nuclear bomb with out people reinforcing his already most likely strong stance? No. And the "What would BestBuy do" question is funny because its so one way...it seams like more of a joke...Why would you ask that? BB is not the customer.
Look, we all know what you're going to do. You're going to keep the unit for yourself, or sell it for a profit, because if you have to come here and ask total strangers what you should do, you're actually looking for people to encourage you and justify screwing over Best Buy. And no matter how many people tell you to be honest, it won't matter. Just save everyone the time and effort and keep it.
They would marry the devil for profits that's for sure. Sell it for the $50 off and buy yourself one. BestBuy should pay attention to serial numbers next time.I guess i should ask myself "what would best Buy do?"

Problem, officer?