Hitting N.O. end of next week and already have some reservations lined up: Peristyle for Friday lunch and Herbsaint for Saturday dinner. Also going to shoot for a Thursday or Friday night dinner reservation at Brigtsen's. Not looking for menu advice (although it wouldn't hurt), but outfit input. I'm from NYC, where it is standard practice to get a bit dressy for special occassion restaurants, but I hear that these three spots don't necessarily require anything more than casual attire - jeans acceptable. Could use a little Chowhound advice on this score. Would love to avoid schlepping dressier clothes if it isn't necessary. On the other hand, happy to pack some snazzier items, if it is.