XM-Sirius Lifetime Subscription Plan

About an hour ago, I got an "invitation" email to call XM-Sirius for a Lifetime Subscription Plan. You have to call 1 888 247 5596 and "ask a representative" about this special offer. I am wondering IF it is affordable and how long XM-Sirius will be around. (THEIR lifetime, not mine!)

Did anyone else get this email from XM-Sirius? I am wondering how many different rates callers will get!

Source: cadillacforums.com