I absolutely quote Harbs on this because, this way, it will look more "InDesign-friendly". The only thing I wasn't able to reproduce by calling a ExtendScript from within actionscript is a progress bar made with ScriptUI. It seems to me that a progress bar needs a targetengine to persist and I could't find a way to have this behaviour. Sorry for the off-topic but is there anyone who knows a possible solution? Why would I prefer this method? A scriptUI progress seems to me more "integrated" in InDesign than a actionscript one...
Ciao,
Luca