Another vote for the M60's, particularly if you can give them some room to breathe: at least 10' apart, listening area at least 12' away from them.

The word "thin" will be the farthest word from your mind.

Jason

M80 HP v4, VP160 v4, QS8 v1 (3 in 6.1 layout), SVS PB12-Plus/2, Parasound Halo A21, Denon AVR-X4100W