Thank you all for your input. As a result of your recommendations, I called up the dealer and told them to include satellite with the new car. Lexus only uses XM, so XM it is! My dealer wanted $795, but other dealers wanted $600 and my dealer matched the price.

Some of the new cars come with XM and traffic built into the navigation screen. I believe Infiniti and the new Lexus LS come with this. What will they think of next?

I understand the new Infiniti M35 will automatically parallel park your car!! I drive round and round to avoid parallel parking.