Canon has released Firmware Version 1.1.0 update to address the 'ghosting' issue noted by users and acknowledged by Canon in the the
Product Advisor last week (see http://www.usa.canon.com/consumer/co...=2112&id=60427)
The Firmware Version 1.1.0 may be downloaded from Canon at:
http://web.canon.jp/imaging/eosd/fir.../firmware.html
Photo John has a New Article about this problem also
see Canon EOS 7D Ghosting Problem.