Drop the Ghost Ark and replace it with an Annihilation Barge. There's your anti-horde.
Use the remaining points to get a Veil-tek. Stick him with the two Storm-teks (drop the Lightning Field) to make a Royal Court unit. There's your anti-AV.
One set of troops walking (recommend Immortals here) and one set of troops in the Nightscythe. There's your scoring.
The only thing you'll have to worry about then would be TEQs and MCs. You could get some Deathmarks for that job, but I guess your Overlord will have to work, for now.
Dropping a ghost ark for a barge gains 25 points and removing lightning field gets another 10. How can i get a veil tek at 60 AND turning one set of warriors to immortals which would be another load of points. Bit puzzled with your feedback.
I do like the idea of a veiltek and 2 stormteks though but it would mean sacrafices to other ares. Only one i can see realistically is the
ccb