Not sure anyone can help but I am trying to decide between two bookshelf speakers. I have both in the home for an audition and the clarity of the ATC SCM 11 (2.0) is stunning. That said there is something about those darn LS50's that had I never heard the ATC's I'd keep the LS50 in a heartbeat. I know the ATC's are 1,000 more than the LS50's but I have found that price does not always determine the winner. The LS50's have this gift of disappearing which is really very cool but those ATC's let you see deep inside the recording. Ironically they sound more alike than different. I need to send one back and have no idea which at this point and it's been almost a month. Anyone have any sage advice to offer?