XMp3 is a combination of an MP3 player and an XM radio receiver. It has been claimed as the lightest portable XM radio. The device has 100 hours of storage with microSD card slot expansion, an auto-record feature that will remember to grab your favorite shows when time comes and a buffer of the last 30 minutes from multiple channels. The XMp3 is available at $280. More pictures after the break.

• Record up to 100 hours of XM programming
• Store MP3 or WMA files on a removable microSD card (sold separately)
• Manage your music with the XM2go Music Manager software
• Pause and reply up to 30 minutes of live XM
• Record up to 5 channels at the same time
• Portable Highlights: See what’s playing on XM
• Set your favorite XM channels

[via Boing Boing]