What are the advantages of buying a new Mustang Pawn Shop over the older Mustang bass. The new one has a hum bucker, but how different does that sound? Did they change the neck or much else? One can buy the older used Mustang for less than the new one, so is the new one worth it? I played a new one in the store yesterday and it was really nice. It had a short scale neck. But what do I know? I am a guitar player and don't play bass well. So I would love to hear opinions from the experienced players here.