CENTER CITY. Sake martini anyone? Perhaps, alongside a selection of fresh sushi in this upscale Japanese restaurant. Great service, fresh sushi creations, and a decidedly sophisticated ambience make this Rittenhouse Square eatery a popular choice. Business dress attire.

CENTER CITY. Neon colored booths lit from within, wavy bamboo walls and ceilings, and funky little tables in the lounge give this restaurant a super stylish, modern atmosphere. You may recognize chef Morimoto from his Iron Chef days, or even from Nobu in NYC. The menu includes a number of entrees, including several dishes from Nobu, but for a truly unique Morimoto experience, you must order the Omakase. Make weekend reservations well in advance, and expect to make an evening of it ­ this is a dining experience, after all! Omakase $80-120, Chef's sushi/sashimi selection $30-70.

CHESTNUT HILL. Poll the folks who live in and around Chestnut Hill, and they'll no doubt inform you that their neighborhood is home to one of the Philly area's top sushi joints, a Pan-Asian gem called Osaka. Here, the open dining room is dressed in contemporary Eastern aesthetics, meaning it's a clean-lined space that is stylish yet surprisingly comfortable. The fare, meanwhile, appeals to both seasoned and novice palates ­ that is to say, in addition to live scallops and sea urchins are more familiar offerings like Kobe rib-eye and salmon rolls.

UNIVERSITY CITY. To label the interior of this Sansom Street Pan-Asian "contemporary" is to make gross understatement. Indeed, this über-cool space by restaureur Stephen Starr borders on futuristic. White acrylic tables, intimate pod-like booths, sculpted plastic and molded rubber and screens that play sequences of Asian videos ­ Yes, Gene Roddenberry would have been delighted. The fare, too, is cutting edge, and diners should expect full-on sensory overload from artistically-presented dim sum, sushi platters and stir-frys.

CENTER CITY. This restaurant may be small in size, but the tastes that emanate from the fresh sushi bar and the kitchen are colossal. Steamed dumplings, oysters, and impeccable sushi are enjoyed by the young and old alike. If you see an empty seat, you better grab it. Business casual attire.