So while writing a post in, say, the XML forum, would I be given - if i am a supporter - the option of flagging it as a "supporters only" post? That would implicitly urge me to tuck things into supporters if it has extraordinary value, and I'd be constantly aware that I'm segregating my participation into "public" and "leet" levels of exposure.
interesting idea. I like it.
detail: would subject lines be shown to non-supporters? Or might they be hidden entirely?