Is that a list of some obscure vendors who support them? Is any of them 10% as popular as silkroad?
Namecheap is an ICANN-accredited domain registrar and web hosting company, based in Los Angeles, California. They claim to have over 3 million domain names under management and more than 800000 customers.
Alexa rank: 1025
Just out of interest, you don't agree that silkroad is the major force that will prevent bitcoins from falling into single digits if something terrible happens like mtgox and major exchanges closing (or some other crisis, exact nature is not the point of this question)? Do you think this namecheap thing if 10% as significant?