Wayne Novak is among the very few gunsmiths who's work actually enhances the value of the 1911. He can build full blown customs that are worth more than most cars, but is really known for reliability work. His prices aren't the cheapest, but very fair for the work performed - which is top notch. Plus, he and his staff are top-notch.
He builds for reliability first, and considers accuracy second to that. His guns will shoot with the best though.
For carry, if I had a stock 1911, I think it would have a visit to Novak's shop for basic reliability tuning, trigger work and sights - maybe a match fitted barrel bushing too. The factory barrels are plenty accurate for everything but bullseye matches so I wouldn't replace the barrel.
I think his website is "novaksights" or something like that. A good place to visit.
regards - redleg