Follow up question. I want to replace one of my slow HR21 with a new HR24, which I will buy online to get what I want. The HR21 is leased, so when I call to activate the HR24/deactivate the HR21, I assume D* will want the HR21 back. Where will they send the return box for it: to my billing address or service address? Obviously I'd want it sent to my billing address. Will they do that if I ask them to? Or do they have to send it to the service address?