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TSS Radio sells both the Xact and the Sportster http://tss-radio.com/t/sirius-plug-and-play/

Good question. They are moving away from hardware? Maybe they are out of stock?

Sirius has other radios besides the Stratus and Starmate. Check out the Sportster 3, 4, and 5. Xact also has a line of radios that come in packages for the home, car, and portable boombox.