@john94587: Here's the before picture of the dash with the original radio installed:
@mm2000: the glove box install is luckily no big deal in this car. As standard, there is a place to put your user's manual in and as standard this place can be replaced with a DIN-sized CD changer. So, no big deal to go to the shop and get a bracket for the changer, which also almost perfectly fits the standard radio.
And this is how it looks like closed:
@blacklancer: Also had the B5 variant, this one replaced it, sofar looks like a very good choice
@BoyNextDoor: yap, we're on PassatWorld too (well, my wife is
) and there are some more pictures of the car too