My REFURBISHED HR21-200 (which replaced our HR21-700 and I've only had since May) is already dying. The pic has frozen a handful of times. It froze TWICE last night when we were trying to watch a recorded program. So, we had to press the reset button on the dvr since it was completely frozen to run a restart twice. In addition, it's restarting or turning itself own by itself, jumpy video, dropping audio, etc... So, obviously, it's going quickly. I want to call DTV and get a new one before this one completely dies. What's the magic words to get a replacement before this one dies and get one that is not an old refurbished model? I'm already ticked this replacement is already dying after only a couple of months and I had to pay the shipping for this piece of junk. So, this will be our 3rd in the span of a couple of years. Any helpful suggestions would be greatly appreciated.