"Intel to launch quad-core processors in Q4"

http://www.tgdaily.com/2006/07/19/intel_to_launch_quad_core_in_q4_2006/

"Intel today said that it has notified its partners that it has accelerated the roadmap for its quad-core processors. The launch has been pulled from the first half of 2007 into the fourth quarter of this year - in time to compete with AMD's 4x4 platform."