I've found that switching BS and Pest around in the third part of the rotation (3rd part of your starting rotation, 2nd part of the rotation you repeat) will generally give you enough time to refresh your diseases. Seems like a simple solution, but it does stop them falling off. So the rotation is as follows


Initial: PS – IT – BS – Pest – SS
SS – SS – SS
SS – Pest – BS – SS

True, I hadn't considered the effect of Rage of Rivendare (although, apparently there isn't one in that instance). I also didn't think of Necrosis, which would indeed be the better point allocation vs. a third Morbidity point or second Epidemic (clipping for 10% more BP dmg).

I chose Deathbringer Saurfang since it was an encounter where I was pretty consistently on the target, only switching off occasionally to dps down a high health add. I didn't consider it an AOE encounter for Glyph of Disease because of the significant penalty to AOE and disease damage on the adds.

My point was simply to note that comparisons between the glyphs should take more favorable specs into consideration. Obviously neither of our parses are conclusive (my average PS and IT did nearly 1k more damage than yours, so the difference between the average SS and BS+PS+IT was a bit closer, for one) and I wasn't trying to argue that one glyph is always better-- I prefer to use them situationally.

I probably have two very stupid questions about the single target rotation. First, where are you guys using Bone Shield? Second, is anyone still using the "Rune Strike with any ability" macro as part of their rotation or does it mess things up? Sorry if these are basic questions.

little question about the glyphs we are supposed to swap them everytime?

Okay using my spreadsheet for comparing glyphs and talents and assuming you PS before IT, then only one point in epidemic is about a 60 dps loss from no RoR on BP, but with 4T9 it's about an 80 dps loss, and that's assuming you don't make any specials in the 2 seconds before your PS.
The extra point in morbidity is worth about 50 dps at 9 DCs per minute. (ignoring the DnD boost).
Finally for reference a point in necrosis is worth about 70 dps (in the ToC unholy gear set).

Which supports Consider's conclusions.
It would be possible to keep up ebon plague with such a rotation, if you split the diseases. Such a rotation has a few benefits, you can use your Death runes for putting up the diseases, and if you set it correctly and have 5-15 seconds between when you apply diseases you'd have quite a bit (up to 5/4 times the normal) uptime on the 2T9 bonus.

Using GoD in some instances (not VoA), I've noticed that my SS is sometimes hitting mobs as though I had no diseases on the target. I'm really not sure what is going on or if its even related to GoD. I noticed this in Halls of Lightning today, my crits on the same mob would sometimes be around 4k and as high as 11-12K while the diseases were active.

Are you positive that the combat log is actually agreeing with what you are seeing ingame? I've noticed various mods are not yet prepared to handle the new scourge strike. Certainly there could be a bug, but it would be good to get some combat log evidence to rule out the possiblilty it is a faulty mod reporting the numbers.

I'll make sure to submit my loggerhead log to my raid leader tonight, just to see if I can find some evidence to support this bug. if someone else could do the same it would be nice, so we have multiple points of data to make a determination on the issue.

If there aren't any diseases on the target, SS doesn't do any shadow damage (that part of the spell doesn't even happen). Lowest crit on SS I had was 5k-6kish with no procs up, going as high as 15k crits as the fight progressed (talking about shadow part of SS). The behavior you are describing is something I have experienced myself, and considering the nature of new SS it feels correct (yet strange). Don't forget there is a crit multiplier on SS (+30% from Vicious Strikes) and that currently shadow SS is doubledipping from all benefitial modifiers (I recall reading this when GC was describing how new SS is supposed to work) while it doesn't doubledip from negative modifiers (specificaly resilience).

On another note, I have been lucky enough to pick up [Bryntroll, the Bone Arbiter] tonight, and I must say that I am very impressed by the proc of the weapon. During a course of heroic dungeon (HoL), I have used 67 Death coils, and the axe procced 65 times, accounting for 4.9% of my overall damage. On a single target fight like Sarufang I have seen number as high as 7.5%.
The proc deffinately scales with stats and debuffs, because average hit of the ability was 3000. Sadly enough, the proc doesn't crit, but I believe it deffinately makes up for faster-than-average weapon speed and lack of stats on the weapon.
Hope someone finds this information usefull or interesting

Do we have a confirmed proc set for Deathbringer's Will for Unholy DK's yet?

Procs on it are 600 strength, crit, and haste.

A note on the new weapon, that bryntroll, It procced the same amount of times as Blood Caked Blade, and it the proc is modified by abilities. will post once this ToGC is done.

Some Prelim numbers from recount. Accounted for approx 5% of my damage on Saurfang

[21:56:36] [W From] [80:Eresh:2]: Recount - Eresh's Hostile Attacks: Drain Life
[21:56:36] [W To] [80:Eresh:2]: Recount - Eresh's Hostile Attacks: Drain Life
[21:56:36] [W From] [80:Eresh:2]: 1. Hit 32 (100%) (Min: 0 Avg: 2992 Max: 3385)
[21:56:36] [W To] [80:Eresh:2]: 1. Hit 32 (100%) (Min: 0 Avg: 2992 Max: 3385