It works !, try it yourself.
Story here > Media Player boosts WoW performance - WOW Insider
However blizzard is working on the 'issue'. In my opinion they should just leave it, we want shorter loading times.
Story here > Media Player boosts WoW performance - WOW Insider
However blizzard is working on the 'issue'. In my opinion they should just leave it, we want shorter loading times.