Not to bump an older topic, but HoD's comments (and title) about the 'already forgotten' is spot on.
I think there was more to it than just difficulty, BUT...it does stem a bit from GW Xenos-hate.
The post 'dex release fervor was also a bit overshadowed by some FAQ lovin on Dark Angels and Black Templars. With the first event I ran (post DE) having 2 Dark Angels and 1 BT player(s)...and NO DE.
Let's face it, everybody luvs MEQ...and that was a MOST telling example.
As far as the 'dex itself, it suffers from some glaring innate flaws that
require concerted effort to overcome.
Your comment about 'tricky' is quite accurate. It will keep the kids off the wagon, which (IMHO) is good and bad. Good, in that (a year from now) if playing them, you won't be amidst a sea of like armies...bad in that, without the newer blood/sales...well, you may be subject to the years and years of whining that we experienced once already.
Tricky is as tricky does, so to speak.
(and finally, some KEY models not released yet...damned venoms/razorwings/voidraven)
This is my first shot out of the box with them since 3.5. I just could never finish an army for the ugly.
I like the fresh perspective and 'newness' of it, makes me
S/T-3 and poor SVs is generally a shot in the groin. Combined with MOST of the 'trixy' stuff reducing your model count (compared to IG etc)...well, you see where that is going.
Add in Open Topped av-10 (primarily) AND NO upgrade characters(or elite characters)...something spammed to great effect with prior 'dexes...and it gets even harder.
HQ's are pain, pure and simple. For the 'good', you pay out the arse...
I've found
my preferred configuration for characters to be;
Archon (Shadow Field/Agonizer and maybe phantasms)
2x Haemoncs.
The haemonculai deliver Webways, and with the advent of Grey Knights, I am including a Crucible at all times now (as opposed to the occasional build).
Roughly 2k for me has been,
Archon
2x Haemies
2 3x blaster-bombz (trueborn) on venom(with Haemies)
4 5x Warriors on Raider
2 9x Wyches (archon goes with one)
Beasts (either one or two units with many Khymerae and Razors)
Reavers (if only one big beast block)
2x Ravagers
When the flyers come out, I'm going to experiment with those in place of one FA and both Ravs.
The beasts are flat out SICK against a motor-pool, and a good game-turn tarpit...delivered via webway, they can reach out and touch someone.