I just ordered a Pioneer DEH-P7944MP CD/MP3 player. Everything I have read on it has been very good and it was only $229 from
www.sounddomain.com. I havent been able to find it under $300 from any retail store and shipping was only $10. Also, it has a built in MOSFET 50x4 watt amp.
http://www.sounddomain.com/sku/PIODEHP7400MP