Not the greatest manufacturer, but this car stereo is the cheapest I've seen with equivalent functionality and I've been trawling for a cheap stereo with USB support for far too long now.
The Nikkai A65HY Car Stereo is £49.99 at Maplin, on sale until 24/12/2009 + £3 off with the following discount code: delivery
So that's a poultry £46.99 + Free Delivery
The car is definitely the place to hear good music but you need a quality stereo system to benefit those great driving anthems. With this fantastic car stereo not only can you listen to your cherished CD collection but will also play tracks from an SD or MMC card and USB flashdrive.
* CD MP3 player with ID3 tag support
* SD/MMC slot and USB socket (supports USB flash drives)
* Output power: 4x40W
* Fully detachable panel with front auxillary input
* PLL tuner with 24 preset stations - 18 x FM / 6 x MW
* Purple backlit LCD with clear, easy to read white display
* Blue colour illuminated buttons for easy use at night
* DSP effects (Flat / Classic / Pop / Rock)
* CD-R / CD-RW ready
* FM RDS for best reception and station ID
* RCA / Phono line out
* Standard ISO connector