I brought a friend into one of my favorite LBS this weekend to explore his options. He wound out deciding to have them overhaul his vintage Panasonic 10 speed, including upgrading to modern wheels, rather than buy a new bike. The bike shop gave an estimate of about 10 days to get it done, though the head mechanic did say that if he was really in a rush, he could have it by Thursday. My friend said that was OK and that 10 days was fine.