Here is just one more S50/SIRIUS review, this on by Barry Sonnernfeld.
From the article he gives SIRIUS some props, "Sirius is the only place to hear Howard Stern, and even though I have never listened to his show, I strongly support his right to say whatever he wants. If you don't like it, don't tune in. Take that, Hillary. In general, I prefer the programming offerings of Sirius to XM. I'm a football guy more than baseball, and Sirius also offers more in the way of NPR options. (How shocking is it to discover that Diane Rehm is a babe?) I also prefer its '60s station."
Now on the S50 he adds, "...what makes the Sirius S50 excellent is that it is not only a satellite receiver but also a recorder. It has a built-in one-gigabyte hard drive that lets you record and store up to 50 hours of programming...."
Read it all here