These look like they're the cat's meow and, from what I read in the article, are apparently made to last forever no?
http://nsmb.com/true-precision-instant-silent-gold/
The Onyx hubs are also silent and very slick. They use a different sprag clutch rather than the roller clutch in the ones you mention. NOBL wheels have them.
http://www.pinkbike.com/news/onyx-sprag-rear-hub-sea-otter-2015.html
"Constant rage: could people f*cking up all the time be to blame?" - The Onion