I was one of the original 921 owners and experienced the blue line problem. I sent my 921 back and got a refund. I have been waiting patiently since then (while reading all of the 921 bug threads) hoping DN would come out with a 921 replacement. Is the 942 that unit ? I know it has 2 tuners and can be used for 2 seperate TV's, but can't it also be used as a dual tuner for just 1 TV on the TV1 setting of outputs ? Mark and expertise on this unit from you would be especially appreciated. The main functions I am looking for out of a multi-tuner DVR is: 1. Stability 2. Ability to record 2 shows at 1 time. 3. HD programming 4. SD/HD functionality 5. STABILITY ! Thanks for any help !