Canon post EOS-D30 firmware 18.104.22.168
Canon BeBit has today posted a firmware update for EOS-D30's with a serial number in the range xxx200001 to xxx899999. Firmware 22.214.171.124 is said to "Increases the reliability of USB communication when the EOS D30 and a personal computer (PC) are connected. The most noticeable improvement occurs during Interval Timer Shooting and Timer Shooting using Remote Capture." Additional Windows XP / Me users are "also encouraged to download the new D30 USB WIA Driver 4.2."
Click here for the Canon EOS-D30 software page (for the WIA driver)