MADISON, Wis.--(BUSINESS WIRE)--TomoTherapy Incorporated (NASDAQ: TTPY) today announced that it will launch its new High Performance Couch for the TomoTherapy® Hi·Art® treatment system at the 49th Annual Meeting of the American Society for Therapeutic Radiology and Oncology (ASTRO) in Los Angeles, October 28 - November 1, 2007. The High Performance Couch, which will be on display in TomoTherapy’s ASTRO booth (#1049), incorporates an all-new treatment table design with functionality that improves system performance and clinical workflow efficiency.