Looking a bit like something from Bose, the Polk I-Sonic entertainment system is supposedly the first of its kind to include HD Radio, a DVD/CD player and XM-Ready technology in one compact audio product. With dimensions of about 14.5" x 9.75" x 4.75", it's wired up with XM's Connect-and-Play technology, so all you have to do is invest in a $50 XM antenna and you're done. And of course, you can't beat the addition of a DVD player which can play DVD video discs, CDs, Picture CD, Video CD, MP3 CD and other formats. Also included are S-Video and composite video outputs for easy video hookup. Goes for about $599.