They are what they are...always been around, but never grew to any real power. The thing that is worrisome is that they now use the internet. No doubt they try to recruit kids in this manner. That's a little disturbing.
The author of the Turner Diaries-William Pierce-even created a niche, neo-Nazi, independent rock label, in order to inculcate a new generation of alienated teenagers into his doctrine of hate.
He's deceased, thankfully, but his pernicious ideology has been perpetuated by his followers.