With the economy languishing, a home screening room could be considered an embarrassment of riches; not all celebrities will admit to having one, especially in Manhattan, where an extra room of any kind is a luxury. So the Inquisitive Guest began investigating this posh, if slightly Hollywood, topic at the Vanity Fair Tribeca Film Festival kickoff party, held at the New York State Supreme Courthouse in Lower Manhattan (judges, prosecutors, and perps were sent home early). To complete our survey, we continued inquiring at the Fragrance Foundation’s FiFi Awards, Bridgehampton Polo, as well as at the recent premieres of The Bourne Legacy, Celeste and Jesse Forever, Hope Springs, and, just for good measure, 2 Days in New York.