Some people might already know this, others might not but I think it might be best if I post this info for everyone to see as Dish just posted this info on the techportal website today. First off as you might already know, Dish is discontinuing (or has already discontinued) their older/legacy receivers. If your old/legacy receiver needs to be replaced, Dish will replace it with a newer model at no additional cost or commitment. Dish says they are doing this to "free up bandwidth and allow for more HD channels to be launched in the future." Two important notes. 1. If you have a 301 or any legacy receiver that needs to be replaced, Dish will give you a 311 at no cost or commitment. 2. If you have a 510 DVR that needs to be replaced, Dish will give you a 512 DVR at no cost or commitment. More info can be found in the 1st pdf file. With that said, Dish has also posted that they have added a new functionality for the 512. This is for new customers only. Basically it allows the 512 to be a SD DVR for 1 TV with either 1 Sat tuner or 2 Sat Tuners. More info can be found in the 2nd pdf file.