The 901 Tea Trolley by Artek, $2,230 from store.dwell.com
For the ultimate entertainer, you could do no better than the classic Alvar Aalto–designed 901 trolley. Stock it with liquor and spirits for cocktail station, use as a tea and coffee service at the end of a meal, or as a dessert cart—the possibilities are endless. At 22 inches tall, it can slide under most dining-height tables when not in use. Plus, the design pedigree that comes with this piece is unparalleled—historic designer and manufacturer? Check.