Hi Joel,
In 7.3 BEx Report Designer is available. You can check below link for new/changed or enhancements to BEx Report Designer. May this answers or question or helps you.
http://help.sap.com/saphelp_nw73/helpdata/en/e4/40806ea2264a98af9ce0d4a7dfc3c9/content.htm
Regards,
Anil