Inatux.com sells computers with Linux (gNewSense even!) pre-installed. They are even featured on gnu.org:
if you go to their page:
And click there on one of the links that appear at top of the page, then the following message appears:
“Warning: The page you are about to visit may have references, links, or the like, to non-free software. If you are a free software “advocate” be careful when viewing this page”
My God, they sure know their customers!