Originally Posted by
Shenkz
Seeing as never surrender is probably going to be one of the best survivabilty talents, (increased effect of ignore pain the lower your hp is) you don't want to be hitting IP at full health but you will want to hit shield slam, so no you should never macro IP to shield slam, what you should macro to shield slam is shield block, it gets more dmg while shield block is up, block is of GCD, so you macro block/slam, and then have slam by itself for procs while block is up esp if you have heavy repercussions.
If you are hard up for keybinds bind IP and Shield block macro to mouse button 1 and 2