Re-awakening this thread surprised me when I saw that I had mentioned four Watermans above with a slightly jokey comment about "starting to get serious". Ah, the good old days, or naivety of youth, or some such.
My Waterman list now comprises these twelve (photos another time):
Exception Ideal black
Edson, in emerald
Man 100 Opera, pre-1990
Man 100 Opera, circa 1997 (globe nib)
3 x Man 100 Patricians, in red, green and blue
32 in plain black celluloid
52, red hard rubber
52, gold-filled (0552)
52 1/2V, black hard rubber
Of the more modern eight pens, F and M nibs are four each. The older four ( the x2 pens) have fine but somewhat flexy nibs. I would say I am especially in love with using the Man 100s except I would not be parted from most of the others, either. Right now, the 32 (2A nib), 52 RHR and 52 1/2V are inked and all a pleasure to use.
At the moment I am still establishing my Onoto collection so the Waterman side is likely to remain quiet unless I see some good opportunity, most probably adding to the x2 or Man 100 sets rather than expanding into new areas (or adding Edsons).
A stub Carène is sadly missing.....