This is low-hanging fruit from the chat with stas. Use -moz-column-width (and I'll add -webkit-column-width) to show the locales in columns on modern browsers, make list-image-type, none, add some margins and padding. I'll also add a link to it from the overall template header.
http://hg.mozilla.org/l10n/django-site/rev/971231f533a0, marking FIXED. Sadly, this doesn't work in webkit, looked in both safari and chrome, the borders wrap bad. I also added search, and an intro paragraph.