so reading this I am now thinking anyone with the BoA shoulders and chest will basically have 4 free levels, i.e. 20% from the BoA gear and now 20% from the XP reduction. That should make for a lot faster Northrend leveling. I am very glad I parked my last team I leveled in the Inn at Valiance keep when they hit 70 (just from questing in Outland, no Northrend questing done). My second team should hit 70 over the weekend, so just in time if they roll this patch to the live servers on Tuesday.
70 - 71 was never to bad to get through
Yay!!