Haven't bought the DVD yet, still not sure what to buy, the Koch or the French DVD
Looking at the screenshots, I'd say video quality is comparable to the Italian disc (that is not too good)
In his review Sebastian talks about a veil (don't remember the exact German word) that seems to hang over the image ; I had the same impression when watching the Italian disc, the image lacks clarity
Maybe the used the same source (although I think the credits are in Italian on the Italian DVD)
I'll make a few screenshots later and will load them up here