The speakers should work fine with a 7 foot ceiling since the high frequencies are beamed in the vertical plane and should not reflect off the ceiling unless the speaker panels are tilted back (aimed upward).
As far as the match with the Bryston goes, I can't comment on that marriage other than to say I'd be thinking of a tube source or preamp...
As far as the match with the Bryston goes, I can't comment on that marriage other than to say I'd be thinking of a tube source or preamp...