All depends on the length of time you spend out of melee range, and how big the boss's hitbox actually is. My slacker raid has just started HoF and Vizier's hitbox is huge. Enough to where you can still DPS during attenuation.
Of course, the fact that you can swap talents out easy lets you customize your talents based on the fight. Might have to look at how many CP you'd potentially waste per minute of DPS. More than 5: Anticipation, less than 5: Marked for Death. Of course, that all depends on the player remembering to hit MfD as well. With Anticipation, it's always there.
When the ship lifts, all bills are paid. No regrets.