Amazon.com: KINESIS Freestyle2 Ergonomic Keyboard for PC (9" or 20" Separation) (9" Separation) : Electronics
Kinesis Freestyle Pro vs Logitech ERGO K860 Side-by-Side Keyboard Comparison - RTINGS.com
Kinesis Freestyle Pro Ergonomic Keyboard - USB, 6ft. USB Cable Length, Zero Degree Slope, Standard key layout, Cherry MX Brown, 55g Peak Force, 45g Activation Force - KB900-BRN at TigerDirect.com