BuddyPress.org

at http://www.deeljezorg.nl we have custom made entry forms(TDOMF plugin) for users to enter their experience, stories and tips, it works fine, people can now easily add posts without the hassle of getting to know the wp-admin backend

same thing is done at tastykitchen.com, where people share recipies, also using a custom form for posting,

it’s disguising your blog posts into a more specific item