A lot of the new reports UI is controlled by what's in the system variable _REPORTBUILDER.  Wanna play with the new UI?  Leave it as is.  Wanna run legacy UI?  Enter _REPORTBUILDER = “” from the Command Window.

The new extensions to the Report Designer and report engine are awe-inspiring. You've seen some of them at various conference and user groups over the last few months but you really have to play with them all to get a feel for the whole picture. For those needing output into different formats, look at the ReportListeners and the listeners already provided. I think my poor, old FRX2Word class is going to be swiftly obsoleted.

More on this topic later as the beta gets disseminated .....