This answer was misplaced by Yahoo. I have not offered up one. The best system is dependent on the room, ,Its acoustics the equipment match, and and your hearing. - Given what you listen to, and your budget. Start by auditioning in person.
There are poor systems, so-so systems, passable systems, fairly good systems,
good systems, Really good systems, excellent systems, exceptional systems,
incredibly good systems, and ridiculously overpriced systems.