Hey Vamp..
I would easy up on the bump on the gold shader.. it looks too big to me. Also the volume knobs looks a bit more like nippels than volmume knobs, but maybe that hs the base of the guitar that does it, because its such an organic and soft shape.
Looking forward to see more..
Carsten Lind
Senior 3D Artist,
Maya Software Manager & Maya Instructor
LEGO Systems A/S