I thought about this topic recently, having tried a few places recently. The quality of service varies from place to place, as does the enthusiasm of staff when you bring your own. The sommelier at Morton's will ignore you from moment one, while the manager at Whitlock's will bring out multiple glasses and talk about his tasting experiences and offer to customize dishes to match what you bring. There isn't any current info on who's offering, how they're doing it, and what the prices are like. Responses and anecdotes welcome.