Sound Perfection is one of the big competitors to San Francisco Stereo and The Audible Difference especially after having stolen away free agent Kerry Blessing from San Francisco Stereo. Sound Perfection has been in business since 1994 Selling likes like Krell, Anthem, Meridian, Paradigm, Crestron and many other industry leading products. They have a strong retail presence and a solid portfolio of mid to high end installations. Note: Blessing is no longer with the company as of 2/2010.