I don't have any of the acrylic ones. Frankly, I mostly don't like the colors of them (except the Baikal Blue, which is really pretty, and the John Mung one is attractive).
I do have one of the ebonite ones (Methuselah Pine Cone Ripple) and I like it a whole lot. I had waffled over the higher price, and worried that the longer length would be unbalanced (I have smallish hands), but it's fine. I actually like it better than the resin (and I have *three* of those, all in different colors).
I didn't smell anything unusual -- but then, I didn't have issues with the smell of the original resin ones (and I'm the one that my mother had sniff the leftover meat to see if it had gone bad...).
If Nathan ever got his hands on blue ebonite stock (I've actually seen pictures -- I know the stuff exists) I would lining up immediately and justifying it to my husband somehow: "Yes, I absolutely DO need one of these...."
Ruth Morrisson aka inkstainedruth
"It's very nice, but frankly, when I signed that list for a P-51, what I had in mind was a fountain pen."