May sound like a silly question, but with DirecTV, you have no conrtrol (unless you get a unit through a store) what model receiver or DVR you have. You just select HD receiver or HD DVR for example. You don't know what specific model they will send you or what they will send you in the case of an equipment swap-out. You could go out and get an HR-23, it go bad in 2 months, and they might send you an older, smaller hard drive HR21 in it's place. You have no say in the matter. Just curious how it works with Dish.