According to the report at iAudio Korea, the X5 is now compatible with the Canon IXUS i, IXUS 50, Powershot A80, Powershot A75, Powershot A70, Powershot A60, Powershot G3, EOS 300D, and Canon EOS 20D. There may be more as well..

Program Information Category: Firmware Type: Free Version: 2.10 beta 4 Size: 497KB Works on: Windows Product page: here