

You were asking about valuations in your first post but in your second post you are asking about google ranking?
I opine <.>org does not necessary used for charity sites. I've seen premium domain<.> org websites providing information / artcles / review, etc with adsense links, advertsement for affiliate products, etc. With this in mind, and if the search engine don't take <.> com, net or org into consideration, the <.> org should have the same impact as <.> com or <.> net
