If you own a Canon EOS 1D Mark III and is located in the US, kindly register your camera at Canon USA’s website to receive automatic notification of firmware and software updates via email. This offer valid till 31 August 2008.
Apart from that, you will enjoy the following benefits too:
*$100.00 Voucher for Repair Service
*Priority Telephone Support
*Exclusive Email Support Address
*3 Day Turnaround Time for Repairs, and a 20% Discount on Service and Parts