The best way to start is to tell you that when you sign up for NylonCharm you are joining the Right Members network consisting of many other sites in categories like bondage and mature sex. That's nice, but since it's the appreciation of nylons that brought you here, we should focus our attention on that. Since our last visit, the site was redesigned a little bit and while that is a welcome change, they haven't changed the amount of content at all in more than a year.
As for the content, we are talking 38 sets of pictures. Just in case you were curious, there are no videos. The gals in the photos are hot and I think they're Russian. While the photos are high-res and there are 100+ pictures per set, they don't seem to focus on the panties and nylons with the kind of fetish eye that one would expect. Instead, the shoots feel more like regular stripping scenes, where the babe just happens to be wearing nylons.
As a member, you will have access to somewhere around 50 bonus sites, with four more nylon-themed ones as well as a bunch of mature and bondage ones. You'll get sites like Nylon And Toys, Moms Lessons and Home Mature Orgies.
On its own, Nylon Charm is in no way worth the membership fee. However, if your fetish desires go beyond gals in stockings and you take the other nylon content plus all the other bonus mature and bondage sites into account, then I have to say you would be making a worthwhile investment in your masturbatory future.