I know someone posted this back in December, but it seems like this is still going on. I've been receiving emails over the last few weeks saying they want me to come back and that this offer is valid on any inactivated XM radio. Not sure if it will work for new subscribers or all so YMMV!
This is an excerpt of what the email i receive says.
— SAVE —
$ 131 off of the current rate when you subscribe to Select on your inactive radio and get your first 12 MONTHS FOR $60 See Offer Details below
or Call 1-877-837-6647
I've randomized my information in the original URL, but if you punch in your radio and account information, hopefully it will come up for you as well!