Uploading this news item as a lot of our members use 50D, 450D and 1000D.

Canon has released firmware updates for EOS 50D (firware version 1.0.6), EOS 450D (firmware version 1.1.0) and EOS 1000D (1.0.5). The 50D update rectifies some issues including vertical banding noise.

EOS 50D users are also advised to update the Digital Photo Professional, Picture Style Editor, ZoomBrowser EX and ImageBrowser software to the latest versions.

The following are the links:
for EOS 50D
http://web.canon.jp/imaging/eosd/fir.../firmware.html

link for 450D:
http://web.canon.jp/imaging/eosd/fir.../firmware.html

Link for 1000D:
http://web.canon.jp/imaging/eosd/fir.../firmware.html