User blog comment:Icelilly/Future of fanvideos (Imput from all users is needed)/@comment-2195068-20101006193651

I would definitely opt to keep them, albeit in its own list. As for popularity, I don't know quite how NicoNico works, but you could simply say that a Youtube video had to break 'x' amount of views before being considered popular enough to put up on the page? Like a few thousand, or so?