House Bill 4569, entered by the apalling James Sensenbrenner this season:
PROFESSIONAL DEVICE.-- (A) The term "professional device" means a device that is designed, manufactured, marketed, and intended for use by a person who regularly employs such a device for lawful business or industrial purposes, such as making, performing, displaying, distributing, or transmitting copies of audiovisual works on a commercial scale at the request of, or with the explicit permission of, the copyright owner.Every PC qualifies as capable of "transmitting copies of audiovisial works on a commercial scale."
(B) If a device is marketed to or is commonly purchased by persons other than those described in subparagraph (A), then such device shall not be considered to be a "professional device".