Filmshooting

I would say that the quality, compared to that of the WorkPrinter, is about the same. It is, however, easier to use, much faster and more stable than the WorkPrinter XP. It also takes sound, but it is of course much more expensive.
That's how I see it.

It is a realtime unit, and some of the frames ...

I suggest that you take a look at the "Flashscan 8" from MWA in Berlin.
This is a newly developed professional digital filmscanner, with soundhead, for 8 mm and super 8 mm film. For more information on the unit, see their homepage http://www.mwa-nova.de . The price is around 27 000 Euro.
I have ...

I am also using the TRV 900, and can confirm what Dave says.
I got my WorkPrinter about 2 months ago, and so far I am very pleased with the results I get.