In my last post I already mentioned SAP Screen Personas as an impressing tool that allows to completely overhaul classical dynpros, without programming.
Now SAP Screen Personas is available, according to http://scn.sap.com/community/technology-innovation/blog/2012/12/12/sap-screen-personas-is-now-available.
This video replay from the Demo Jam at TechEd Las Vegas shows Screen Personas in action: http://www.sapvirtualevents.com/teched/sessiondetails.aspx?sId=3454
The following video on the other hand explains the technical backgrounds of Screen Personas. E.g. the ITS is used to read the screen definitions:
Finally, you can find more information on http://wiki.sdn.sap.com/wiki/display/Img/SAPScreenPersonas.
This demo from the SAP Imageneering team shows how to modify dynpros with Screen Personas: