Don't know if this'll help, but this is a Sterling with a piezo. (balance about 55/45 mag/piezo.)
[ame="http://www.youtube.com/watch?v=8um0uLRlAP0"]YouTube - Short melody in 'E.'[/ame]
Can't say as to how good it comes through in the clip, but the piezo is very nice and complements the magnetic pickup very wel. Less brittle than most others I've heard. Very usable.