XM Radio subscribers Beware! This company should be investigated for their questionable billing practices. too bad they are the only current satellite radio provider. Use direct billing only- They use non-domestic off -shore customer service personellwho are difficult to communicate with. The on-line billing statement for multiple radios is deliberately confusing and the math is not coherent. Do not sign up for long term automatic credit card billing- the savings is not worth the hassel of trying to figure out how much one has been overcharged. Great music- lousy customer relations- If only there was another service to switch to... read full review »