Sony Develops 35mm full size CMOS Image Sensor with 24.81 Effective Megapixel resolution and extremely high signal conversion speed for use in Digital

Press Release
Tokyo, Japan - Sony Corporation today announced the development of a 35mm full size (diagonal:43.3mm/Type 2.7) 24.81 effective megapixel, ultra-high speed high image quality CMOS image sensor designed to meet the increasing requirement for rapid image capture and advanced picture quality within digital SLR cameras.

Press Release

Of course I just purchased a Sony a700 last Fall!!!