After long time of lurking I decided to bring some input to DE community 
MAIN IDEA:
- for me Cult of Slaanesh is a very fluffy idea and also much more appealing - both modelwise and gamewise - than ‘vanilla’ Dark Elves or Slaaneshi Chaos list (be it Daemons or Mortals). Since it looks like GW is going to leave it behind with the rest of SoC, I decided to make unofficial 7th ed. CoS Army List.
- In 6th ed. CoS was more competitive than basic DE list. Partially because of resemblance to 6th ed. Chaos (‘Sure, half of units is overcosted, but we have many to choose from, so the other half leaves us with enough decent choices’). Now 2 of ‘component armies’ got better, soon it will be all 3 of them. I wanted to make a list that will incorporate new rules - and also new options from DoC - without making CoS list overpowered.
- For obvious reasons this list is bound to change at least a little when WoC AB appears.
SOURCES:
Cult of Slaanesh pdf (CoS) - http://uk.games-workshop.com/download/d ... mylist.pdf
Mengil Manhide’s Manflayers (MM - DoW) - http://uk.games-workshop.com/download/d ... layers.pdf
7th ed Daemons of Chaos Army Book (DoC)
7th ed Dark Elves Army Book (DE AB)
6th ed Hordes of Chaos Army Book (HoC)
6th ed Hordes of Chaos additional special characters (HoC SC) - http://uk.games-workshop.com/hordesofch ... characters
I didn’t use Warriors of Chaos get-you-by list, as it solves little to none problems in CoS list and is rumoured to have little to do with final 7th ed. WoC list. Instead I did my own modifications, inspired by both g-y-b list and 7th ed WoC list rumours from Warseer.
ISSUES ADDRESSED WITH THE NEW LIST:
- general mainstreaming of unit rules (including Mengil’s Manflayers) with 7th ed Army Books.
- In 6th ed. Devotees of Slaanesh were a no-brainer compared to Daemonettes. In 7th Daemonettes got better, but adding Eternal Hatered to Devotees destroys the balance again. Hence 1 A less for Devotees. They still seem good for their price.
- In similar way, there was hardly any reason (except fluff) to take Marauders over DE Warriors and with 7th DE AB it is true even more. So in CoS list DE spearmen cost a little more, marauders less and can re-roll psychology tests, which is rumoured to be general army rule for 7th WoC.
- Warriors and Knights of Chaos were overcosted. Instead of reducing their basic cost, I decided to give them built-in Mark of Slaanesh. After all they don’t have the option not to buy it in CoS list, and effectively it gives them point reduction comparable to the one they got in g-y-b WoC list.
- Another problem were the Shades - in 6th ed DE AB they were basic scouts, so moving them to core and Dark Riders to special wasn’t problematic. It also helped giving the list more distinct feel - more of elite infantry army. Now 7th ed Shades have better stats and more equippement options so they don’t quite fit the core slot. But without them the army lacks any more mobile core unit and most of the core choices are fragile for their price. Hence furies in core, resembling the role of harpies in main DE list.
- New entries - the list includes Heralds & Fiends of Slaanesh which weren’t in HoC book. It also includes special characters other than Morathi - the Masque from DoC, as well as Dechala and Azazel from GW webpage.
QUESTIONS, DOUBTS & VARIANTS:
CHARACTERS
- I hope Dechala and Azazel will appear in 7th ed. WoC AB, till then I modified them slightly, as they seemed a little bit overcosted for what they did (also Dechala, rumored to be of High Elf origin, just begged for ASF
). Not sure if including Azazel is a good idea, as there is no regular Daemon Prince entry in the list, but from fluff perspective they both seem ok.
- Anointed Daemonic Gifts list is much longer than in previous edition. I didn’t spot any nasty combos so far, but if there are any some gifts need to be removed.
- 6th ed. Steed of Slaanesh - Currently ommited totally. Maybe it should be included under new name as character mount option? Mayby for Anointed only?
UNITS
- Make furies 0-1 Special choice and move either Shades or Dark Riders to core.
Moving DR to core removes the ‘core infantry’ character of original CoS list.
Shades on the other hand in 7th ed are IMHO simply too good for a core unit.
So if either of these becomes core, they need to be restricted in some way. Dunno how: 0-1 core seems a bit daft and ‘doesn’t count toward minimum core’ AFAIK is only used for beast or underdog unit types in other AB - not quite fitting DR, Shades even less.
- Mengils’ Manflayers don’t seem to need price change. Eternal Hatered makes them better, but still they come out on par with similiary equipped new shades (manflayers have h.a. instead of l.a., poison and WS 4 instead of 5, while costing 1 point more). Although maybe they should be priced at 20 pts each?
Mengil himself is another thing. If simply treated as old DE Noble and now DE Master, he should cost more (18 pts if his crossbow-pistol=repeater handbow). But in last edition he seemed overcosted. I tried to split the main unit cost (287 for Mengil and 5 Manflayers) and it looks like this:
# Mengil w/ h.a., gw, crossbow pistol & dark venom = 96
# 5 Manflayers - 95
# Standard bearer & Musican 14+7 = 21
# Banner of Kalad (just -1/ -2 when over 12” to hit when shot effect, assuming scouting is included in basic manflayers price) = 75
High Elves (in 6th ed, don’t have 7th ed AB) pay 30 points for -1 to hit when shot effect. Even considering their cheaper magic items, additional 45 points for -1 to hit over 12” seems to much to me. In 7th ed. rules, without altering total cost and giving Mengil additional handbow, the banner comes out at around 55 pts, which seems right to me.
- Fiend of Slaanesh and Spawn of Slaanesh - aren’t they a bit too similiar? Maybe remove one of them from the list (probably Spawn)
As I don’t have much means in the way of playtesting this list (I play rarely and mainly against HE & WE) I’d be grateful to anyone who wants to try it out. Any other feedback is also welcome.
Particulary is there someone with DoC AB, who might check if I didn’t make any mistakes, as I’m using notes from Warseer and my memory after reading DoC at my LGS. 
and the lore of slaanesh in that book was just super sick!
