I bought one of these last month from CC for $99 and am loving it! Two tuners, up to 35 hours of recording, etc. and it is going great. Did you have some specific question regarding the unit?
Deborah
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I also switched to this unit from Dishplayer 7100. I love it too. Greatly deal out there right now. Plus DTV will give you free installation and satellite dish.
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the dsr6k is nice, I just got one tonight off ebay for 79 and shipping (if you can get one locally go for it, better deal, I couldn't)
no complaints so far other than a weird pop when you have a toslink hooked up and you switch menus in dolby digital..