Quick look on guitar hero's arm

How do you like the music, guitar? Nintendo, Sony, and Microsoft has launched the guitar for The game "Guitar hero", and there are some pictures for them. Use the guitars, you can Shapeshift to be a rock star, all by yourself.
The game is special design for the music lovers, like the raal one, so you can enjoy music and fun at the same time.
The guitar are wireless design, give support to many players online. But I don't know which one can play the most attractively sound, warm and mellow.
For Sony ps3