It sucks but the reason I don't like it is because of instances. Lot of the new bosses spawn adds so timing your consecrate will be crucial. It's one more thing to think about that I don't really want to think about.
Anyway in regards to boosting - I just park my guys and pull as much as I can then drop consecration. So not really going to matter in that aspect for me. I'm holding off to boost until Cataclysm so I can use Scholo/Strat and the new level ranges which I imagine will make boosting even easier.
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