Hi BJHughey,
To get used/not used report you will need to have software metering in place for those application. Once the software metering is setup you can pull the information vai SQL or by creating a report in altiris.
TO setup Application Metering
https://www-secure.symantec.com/connect/videos/altiris-application-metering-basics
https://www-secure.symantec.com/connect/downloads/apply-metering-software-catalog-entry-20
To create report later Check the links below.
https://www-secure.symantec.com/connect/forums/software-usage-reports
https://www-secure.symantec.com/connect/downloads/customized-report-computer-software-installed-usage-installed-and-last-use
https://www-secure.symantec.com/connect/forums/application-metering-reports-based-software-catalog
Regards,
Saeed Inamdar