Yup, says so in my profile

worked in call centre for 2 years, last 1 year has been technical training international and UK resellers and developing the knowledgebase (and other tools to be released soon)

as for the calibration problem reports by alonebfg, just check that the users have the correct write permissions in these registry locations:
Driver 2/3 Serial HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Servic es\ACTIVdrv\Parameters
Driver 2/3 USB HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Servic es\ActivDRV_USB\Parameters
Driver 4 Serial HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Servic es\ActivHIDSerMini\Parameters\Calibration
Driver 4 USB HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Servic es\ActivHIDMini\Parameters\Calibration