A good paint job will cost you in the $2500 to $4500 range now a great paint will cost you upwards of $5000 to $10000 + range. This will be a high end quality paint and all the hardners,primers,sealers, and a top coat of quality clear sanded and shot with clear again then sanded and buffed out.
Remember a good painter is only as good as the prepared base that he has to work with. If you do the body work and block it out your self you may want to have the shop make sure you did not miss any thing when you prepared the base metal for the painter to lay down a great paint job.
Remember materials are really getting high these days and labor has come up some too.
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Don