Rectangular room, coffer'd ceiling, tiered platform seating, Russ Herschelmann's proposed seating and speaker location plan (See old "Home Theater Architect" articles on seating and speaker placement, as well as acoustic treatment), some processor with newer Audyssey DSP room correction tech and multi-channel amplification, PMI "Cine-pannels" around the room, A Klipsch THX speaker system (for passive speakers, you'll not get better for movie playback - within reason), comfortable medium-backed seating, -and you're done.