Hmm...
A number of things look on the light side to me for 1500 points.
HQ looks perfectly OK with the duke. I assume that he goes with the Trueborn?
I wouldn't normally put night shields onto a venom or do trueborn with that loadout, but I've not done it either (lot of points for a unit that is begging to fall out of the skies and has a giant target on it).
A single venom just feels lonely to me (and adds to the painted target on it). I'd reduce some of the warriors down and put them in venoms...
Troops:
I have to guess that the two Kabalite squads with darklance are intending to find some ground and their raider flies off on its own? I'd suggest against it. The biggest thing that
DE still have going for them is speed and the ability to pull off an awesome flanking maneuver. They would be just as (or likely more) useful with only 5 warriors and a blaster.
DE just can't hold ground, so it is pretty silly to try it.
If you MUST have a squad or two on the ground with
DL, you're better off doing it with trueborn.
Also, I'd recommend dropping some of the extra toys off of the raiders to keep the points down... especially on the raiders that may be empty.
5 wyches w/ haywire grenades in a venom are a pretty tried and true troop unit for killing off vehicles, so I'd recommend 1-2 of those.
The two raiders w/ x10 kabalites & splinter cannon look OK to me, though I'd likely keep one of the two upgrades at most (nightshields seem to come in handy more often to me).
FA
I'd also suggest dropping the grav talon off of the reavers (hard to get much use out of it), but otherwise they look OK.
HS
The razorwings don't really need the splintercannon upgrade. After the missiles are gone, they don't mesh well with the remaining darklances. I add flickerfields to mine, but not both
NS and
FF.
Also, the ravager is silly good... so much so that your opponents will be super happy to see that you don't have one... don't let them be THAT happy
I'd recommend swapping out at least one razorwing for a ravager. With my
DE, the razorwing only gets added after I already have two ravagers in the list.
Back to the trueborn/duke squad. It's my experience that
DE units should appear to your opponent as reasonably equal levels of threat. Because we die so easily, if one particular unit looks like (and is) a much bigger threat than anything else, it goes down before doing anything useful.
The only real exception that we really have to this is a tricked out beastmaster squad with the Baron leading... and that is only because it can act as that fire magnet and still keep kicking. That is the main reason that I don't take the duke. Otherwise I think he's awesome.
Side note item for future consideration (totally re-arranges the setup you have now though): With a Haemey included, wracks are great troops that have a couple of great set-ups:
3 wracks with dakka venom (cheapest way to get a venom on the board and can't be ignored because they're scoring).
5 wracks w/ liquifier in dakka venom (same as above with one of the best flamers in the game)
6+ wracks w/ liquifier and haemonculus w/ liquifier in raider (two great flamers, start w/
FNP & furious charge, and OK in
HTH for cleaning up weakened squads).
If you do end up running the duke/trueborn squad, please let me know how it works out for you.
Shine bright like Iyanden