I can't bring myself to NOT use it. I hate just sitting there being useless, I can barely even wait the full 10 seconds of a potion of focus without going to sleep. I have been reading through the MW Discussion thread to see quite a mix of people using it and not using it. I was just wondering do you use it, and why/why not?
I personally love the instant 8% mana then having that time between the CD to jab/dps/heal or even just /dance (kidding).