Let the hive mind of Engadget get that for you.
"I need help! I want a small pocket camcorder but I'm not sure which one to get. I don't want to fall into the hype of the Flip because I worry two hours won't be enough. What should I be looking for when considering a small camcorder and where can I get a good quality one with expandable memory? Thanks!"
The Dual tuner system that is used in this receiver is probaly the same that is employed in the Dish Network 622, a dual tuner HD-DVR, very solid technology Echostar (Dish Network) has been using dual tuner techology for about 2 years.