Steve Guttenberg Audiophiliac has changed his reference speaker form horns to open baffle.
His explanation about why mirrors what most are saying about the open baffle.
Hifi Cave guy is enamored with the Liionidas EXTREME OPEN BAFFLES
Bass was not an issue for him. These speaker actually exposed his lack of construction ability and rattled his room treatments.
The main question is that can you dedicate the space that open baffles require? The going consensus is that they sound better at a minimum three feet from the wall.