At level 70 the overflow XP is 1 785 000 and the XP from quest in Dread Ring,Sharandar and Ice wind dale is 1510,what's more rewarding than doing 1182 daily quests to make it to overflow and getting 5 rank 5 enchantments/runestones(which you can find under every rock in mod 6) or those 10 companion/5 character tomes of…
+ when you spend 4 power points on icy terrain,putting it on spell mastery slot no longer targets the enemy but it's cast under your feet. This patch they fix the cooldown on IT but broke it on spell mastery,wait and see what they gonna fix/broke no the next one.
It's not the dye or transmute,the stats on my Dread Legion and Royal Guard armor sets on my Hunter Ranger are nerfed by 1/2 and the Grand Warden set got boosted by few points across and HUGE boost on the defense(no dye or transmute on any of them).