The Snell LCR7 XL bookshelf speakers are one of their first speakers that feature a design by Snell Chief Engineer Joe D’Appolito commemorating the 30th anniversary of Snell Acoustics. Utilizing a D’Appolito array (Mid-Tweet-Mid or MTM design) and the SEAS XL drivers, the LCR7 XL represents the height of what you can accomplished through components and know-how.
As for performance, they are superior with a fabulously clear high end and virtually limitless power handling. These are speakers seem to have no real upper limit. Retails for around $6,000 pair.