We love formal nights--it's the only chance we do get to dress up anymore. We used to get invited to "formal" New Year's Eve and other parties, but they're casual now too. The only time the tux and the fancy dresses come out is for formal nights on cruises :( . Jerry wears a coat most nights whether it's informal night or not because it gets kind of cold in the dining room. He's switched a lot to wearing a silk tee with a coat rather than a shirt and tie -- looks just as good and just as "informal". Somehow he manages to get the tux and all the gear, a dinner jacket and a couple of coats plus everything else into his luggage and still stay under the 50 pound limit without a problem.