I really don't get the whole removal of "levels" / addition of "tiers" debate. Isn't it just the same exact measurement of time? SoE already did this whole tier thing with EQ2. Even in the original game (all the bs mechanics aside), 1-10 = T1, 1-20 = T2, 21-30 = T3, 31-40 = T4, and 41-50 = T5...