We're talking apples and oranges here. That receiver is the Sherwood Newcastle R972 and part of their high end stuff, and a totally different beast from your run of the mill "sherwood" sold at your local big box stores.
http://www.sherwoodusa.com/
Is Magnolia Hi Fi, inside some best buys authorized dealers for the Klipsch Reference line and will Klipsch honor the warranty if purchased from that store ?