Hey Hey just to let you know we've manged to get bing API to Translate the Forum posts content, the reason i needed this was because we have the site translated by translators, they don't how ever translate the user submitted content, like forum posts, so instead of installing gtranslate and it translating the whole site via google translate, some times messed up what the translators had done, we gone a head and developed a plugin that allows people to click on Translate under the forum posts and this translates the content in the posts.
you can see an example here:
http://clients.storytelling-media.com/v14/Technet33/forums
best
alex