I don't think it is unfair to allow EoH -> EoV trades at all... The game is all about time.. time is gold, time is progression, time is gear. I recently left my raiding guild and after a couple of weeks of catchin up my boxing team I quickly realized there was no upgrades left for me outside of Naxx or Eye of Eternity... and even then. If you can't progress; whats the point in playing? The carrot is no longer a motivation when you realize you can't possibly reach it...