when you get a setup done, don't rely on the shop to get it right, ask around, I've seen some diabolically bad guitar set ups off the rack, big name brands and big name stores. If they are working in a store as a sales bod, they're probably not that good,unless they just do guitar tech there.
I charge about forty to fifty quid for a proper setup on a solid body electric, truss rod, intonation, action, pickup height and angle,and I'm quite happy for the customer to bring it back free of charge a few times till they're perfectly happy with it If they're not happy for you to bring it back after a couple of weeks to adjust again, walk away. Bit long winded but there you go.
MrNutt…..any Gibson with a cracked nut, should'nt cost more than 30 quid tops to replace for a brass or bone nut, and is pretty much a diy job anyway if you order the nut from allparts or axesrus.