might be useful to someone on this topic;
https://docs.google.com/spreadsheet/...nc&usp=sharing
That's patchwork single target, patchwork 2 targets, patch 3 targets.
Garrosh p1 is basically a single target with 6 adds spawning every 30sec that last 10sec
Shamans is 2 targets with 10 adds spawning every 30sec for 10sec
Then Hectic Add Cleave 1 and 2 targets.
The gear sets were 4pc with legs as offpiece. and 2pc was immerseus helm, fusespark gloves and legs as offpiece. Both sets used crit+mastery 1:1 at around 579/580 ilvl. Rest of the gear is what's used in my armory currently (28/2/14)
I've decided to go with 2pc, spriests strengths are in multidotting not single target so I thought I'd gear towards my strengths. i do kinda miss the 1.5m mind blasts but honestly they were so rare I'd rather have the consistency of constant stat gain.
I did find it kind of interesting that if you were optimizing for every fight then 18.2k with 4set (probably the most common setup these days) is never the best option for any fight type ^^
Anyways, as pointed out above the differences are TINY. I was playing around with graphing them a little (see the tabs) and well yea... it's just not a noticeable difference on overall damage - all the gearsets were well within the margin of RNG of each other so it's not like you could change and have any perceivable difference on the next fight. The sample size you'd need to notice would be more than humanly possible to accomplish.