Use caution when looking to XM radio for your entertainment needs. They have a good product but if you ever have problems with you bill they are completely impossible to work with. They have given me four different invoices in less than 30 days and still have not resolved the problem. On top of that they charged me $2.00 each time they sent me a different bill. I have had to contact customer service more than six times and have spent HOURS on the phone trying to resolve the problem. Have been told several times that a supervisor would call to... read full review »