There is an interesting PhotoTranslator application for N900 which does text recognition and translates text from almost any language to almost any language. You can check out the video and description from http://www.cybercomchannel.com/?p=63

In that video they translate Finnish Pizzeria menu from Finnish to English and from Finnish to Chinese.

Funny thing is that google just promoted almost similir kind of application in their blog:
http://googletranslate.blogspot.com/...to-google.html

Let's hope that PhotoTranslator will be available for N900 users as soon as possible. I think it's just missing the deb packaging, but let's see what happens.