Rank 14 items were updated with the Blackwing lair patch.
1h weapons went from having roughly 49.5dps, which was slightly lower than molten core 1h weapons to having roughly 59.5dps. Which is again, slightly lower than the best BWL 1h weapons.
It's really a non-issue. Aside from a few pieces, spread over a 40 man raid. The Epic pvp gear is not all that suited for PVE. It has too much stamina, and the set bonuses are more pvp oriented.