I tested it out using the conditional I posted above in reply to your last post and it does not copy-n-paste your content for logged-in members. Try it out.
I believe this would be the preferred method to stop the attribution links within your own domain. Im still testing this functionality, will report back.
-----------------
edit: the opt out doesnt seem to be working.. Im gonna keep plugging away at this until i figure it out. Its a great hack but its annoying that it works inside our own sites.