I am relatively new to this, but here is my situation.
I have a Dish 500 with 2-301's and 1-501 PVR.
I want to trade th 501 for a 522 or 625 to get dual tuner capability (or bag a 301 and add a line and get the 522 or 625).
Basement- 1 line in and a 301. We can disregard this part of the...