Samsung DLP problems (Shuts down/ white dots)

I have two Samsung DLP tv's, one is a two year old HLS5686WX, the other is a HLS5087WX only a years old. I purchased the second DLP (HLS5087) for my parents because at the time I loved the one I had and thought it would make a great gift, exactly one year after they had it the tv it began to shut down on its own. My DLP (HLS5686) which is exactly two years old (extended warranty is up) has twenty-three white dots on the screen. It started with one dot, two days later two more, within one week we have twenty-three. Now our DLP shut downs on its own. We contacted Samsung and they said it sound like one of the mirrors is going bad and they could only set us up with a local certified Samsung repair shop. Neither Samsung or the repair center will give us a round about price for fixing the problems (I've read it may run us about $800 to the low $1,000's per unit). I have been looking online for people with the same problems and it seems these are very common problems and they start within the same length of time after purchase. I asked Samsung if it could be defect and tech support said although we may have found people online with the same problems, they can not consider it a defect because these people are not calling to complain. I would really like to know if these are defects. Has anyone else experienced these issues?

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