Army List Review: 2,000 points Necrons Take 2

Right, so here we go again, round 2 of my roommate's proposed Necron list. I think this list is actually pretty sorted by now, he took a lot of advice from both here and dakkadakka and has a pretty solid looking list.

HQ
Overlord w/warscythe on Command Barge w/gauss cannons

Royal Court - x4 Crypteks
x1 Harbinger of the Storm w/Lightening field, voltaic staff
x1 Harbinger of Transmog w/ harp of dissonance, seismic crucible, tremor stave
x1 Harbinger of Destruction w/ eldritch lance, gaze of flame, solar pulse
x1 Harbinger of Eternity w/time splinter cloak

Elite
x1 Triarch Stalker
x1 Triarch Stalker

Troops
x5 Necron Warriors in ghost ark
x5 Necron Warriors in ghost ark
x5 Necron Warriors in ghost ark
x5 Necron Warriors in ghost ark

Fast Attack
x10 Canoptek Scarabs
x4 Canoptek Wraiths w/2 whip coils

Heavy
x1 Anni Barge
x1 Anni Barge
x1 Anni Barge