Thiel 3.7 Placement

Really considering perhaps purchasing these speakers. Auditioned them at a dealer for about 2 hours and was really, really impressed with the sound. My question is, even though I sat and toed the speakers to how they would be set up in my house, the dealers room was a lot bigger with no side wall infractions and the speakers were out about 7 feet from the back wall, so how sensitive are these speakers to placement? I can only bring them out about 2 ft from the wall and side walls are about 3 ft. Speakers will be about 9 ft apart with my position is about 11 ft in front, toed in centered right at me. That's how I have my B&W 802 S3 set up currently. Finally, how long did it take to break-in your 3.7's? Still happy with them? Thanks