I know there are at least two members who may be interested in this article:
http://www.Photoreview.com.au
FIRMWARE UPDATE FOR EOS 7D
October 20, 2009: Canon has posted a firmware update for its recently-released EOS 7D digital SLR camera.
Firmware Version 1.0.9 incorporates the following fixes.
Improves AF accuracy during Live View shooting.
Corrects a phenomenon where in rare instances, movie images shot by the camera may exhibit abnormal colors.
Corrects a phenomenon that at certain timings, the shutter cannot be released when the camera's built-in flash or an external Speedlite is used for shooting.
Firmware Version 1.0.9 is for cameras with firmware up to version 1.0.8. For more information and to download the new firmware, visit
http://web.canon.jp/imaging/eosd/fir.../firmware.html
Hope it is of some interest.
Graham