The column approach seems to make things clunky to me. From my viewpoint it would be better to see flagged posts grayer - just as comments with negative points,

The column approach seems to make things clunky to me. From my viewpoint it would be better to see flagged posts grayer - just as comments with negative points, possibly with setting threshold in preferences (since it would be quite stupid to see eg. all page of 'grayed' posts).