Is a large Kodak sensor any good? (was: 645D Design remarks)

[Dario Bonazza]

My main concern about the 645D is: have you ever seen a large Kodak sensor 
working well? I mean more or less as well as a competitor sensor at all ISO 
settings (noise, and so on)?

I've just seen a few pictures taken in studio with a 38x38mm back for the 
500-series (aka V-series) Hasselblads, and they look awful!

Dario