I have heard about them and I want one too. I understand that they are part mp3 player and they connect via wi-fi or through an antenna.
Portable; take your favorite Sirius content wherever you go
USB interface allows user to store and manage MP3 files
My Sirius Channels feature gathers and refreshes your 3 most listened-to channels
My Sirius Songs feature allows you to save up to 50 hours of your favorite songs or shows with the Love button
Scheduled Record feature allows you to record your favorite show at the same time every day
Game Zone lists channels and scores for all play-by-play games on Sirius radio; Sports Ticker shows scores from any Sirius broadcast while listening to your favorite content
30 presets let you easily access your favorite stations
FM modulator allows you to enjoy Sirius content through an FM radio without the clutter of cables
My Playlists feature allows you to supplement Sirius content with your own personal library when attached through the home dock to a PC
Voice-assisted navigation
Auto shut off feature automatically turns the unit off when inactive, conserving battery power
Boombox, executive and home docks available to expand your listening options (not included)
Includes car dock with media dial, 2 vechicle mounts, magnetic antenna, DC and AC power adapters, remote, ear buds and pads, carrying pouch, belt clip, USB cable, software and installation and quick-start guides
Sirius Satellite Radio subscription required