That was an interesting article in Luminous Landscape. He also was fond of the Zeiss lenses, which is what got me into the Contax G2. Most of those little gems are dirt cheap, including the stellar 45mm. Mildly erotic:
Softcore (I don't have this lens/finder):
Kitten-killing time. Semi-rare black body with $2-3K 16mm hologon (virtually zero distortion):