I can't find it. It came up around the time of the white paper a couple months ago, so I don't even remember which forum it was on. And I'm not a techie so I don't remember the details. But to my understanding someone that was well informed about peercoin who wasn't a big fan of Neucoin and thought neucoin should join another coin community as opposed to starting a new one. The person said that peercoin had already started working on making the alteration that is a concept neucoin founded to make PoS a little bit better.