These comments from the site should help...

" At 3:26 PM, Cesar Cardoso said...

fpp: the Bora version works flawlessly o Nokia 770. You should add the Herring repo to satisfy a MiniMo dependency:

Web address - http://repository.maemo.org
Distribution - herring
Components - main

Once more... thanks, Antonio! "

Hope this helps. By the way, do they sell the 770 in China?