Not to be mean but the site's fonts look absolutely horrible on Chrome 20 in Windows 7. The top ones look messy and thick and the bottom one looks much too thin:
Windows has a couple of different font rendering systems. Chrome uses GDI, IE9 uses DirectWrite, and Firefox can use either. DirectWrite is a lot smoother, and that's most of the reason why I prefer Firefox in Windows.
The fonts on this site look worst in Win/FF. They're not great in Win/Chrome, but at least they look well matched. It looks good in OSX/Chrome. Probably because that's what it was developed in.
Protip: different browsers render fonts differently. Test your site before you release it into the wild.
I don't know much about CSS, but I think what happened is that their source for the fonts have taken the files down. For instance, one of the referenced fonts is http://dshap.com/fonts/Gotham-Book.otf which now yields a 404.
http://i.imgur.com/KUVwh.png