Hey All... The latest version of the PSI specification is available. It includes references to new WSDL, and the new WSDL points to the latest semantic model schema definitions. ftp://ftp.pwg.org/pub/pwg/ps/wd/wd-psi10-20030310.doc ftp://ftp.pwg.org/pub/pwg/ps/wd/wd-psi10-20030310.pdf Schemas: http://www.pwg.org/schemas/ps/20030310/QueryEndPointsInterface.wsdl http://www.pwg.org/schemas/ps/20030310/ServiceCapabilitiesInterface.wsdl http://www.pwg.org/schemas/ps/20030310/JobControlInterface.wsdl http://www.pwg.org/schemas/ps/20030310/TargetDeviceSupportInterface.wsdl Dave