Head units with built-in MP3 players and USB inputs have been around for a while, but this one by Roadstar steps it up with a removable 512MB digital audio player (MP3 and WMA) that features a voice recorder and direct encoding capabilities from the in-dash CD/radio. The head unit itself boasts a 4-channel, 4 x 40W FM/MW PLL tuner with RDS, 30 preset stations and 4 EQs, CD/-R/-RW compatibility, and ID3-tag support.

The mouthful-of-a-name head unit CD240MPR512 is available now for about $240.