RE:
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4) The narrow neck is one of the best features of the bass and it gives easy and very consistent feeling access all the way up. My son likes it since it's easier to "shred" than most.
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The neck profile struck me as being like a flattened broomstick...in a good way. Totally unlike any other Fender neck I've ever touched. It had charm to be sure.
Your son might get a kick out of a Fender Stu Hamm Urge I. When I had one I called it my sports car bass because the asymmetrical 32 in. scale neck was so fast.