We are throwing a retirement party for my dad--a late afternoon thing, so heavy appetizers but not dinner. We'd like to find a couple of places that do nice party platters. Sushi is a top priority, but we're also interested in other finger foods that can be served cold or room temp (grilled veggies, chicken skewers, mini sandwiches, that sort of thing). Does anyone know of restaurants, gourmet delis, or caterers who specialize in party platters? We're not looking for a full service caterer, and we want something nicer than Brent's. SF Valley preferred.