I bought this radio a month ago. It is excellent, has great sound quality and is very easy to install in any car. It plays MP3s without a problem, and it is so easy to even create and change folders.
I have not found any faults as yet, it is even easy to connect an ipod.
Also supplied with a remote which comes in handy in my car as the cup holder covers the radio when it is in there :-(
I am using this stereo without an amplifier and must say I certainly won't be buying one. I have 6 speakers connected and one sub and the sound is fantastic and loud.