for those who want to build their own screens, or modify an existing (not password protected) I've written a screendesigner with many features. For more details have a look at my website
I can Second that, Klaus has done a fantastic job, he has fixed all the complaints or the Scream4 issues and has added many more user friendly bells and whistles......... Fantastic job Klaus!!!!!!!
Commercial Mach3: Screens, Wizards, Plugins, Brains,PLCs, Macros, ATC's, machine design/build, retrofit, EMC2, Prototyping. http://sites.google.com/site/volunteerfablab/