So I decided that I wanted to see how many lances I could spam and still have reasonably balanced shooting.
Archon, blaster, agoniser
venom, splinter cannon
2x 5 trueborn, 3 blaster, 2 dl
venom, splinter cannon
2x 10 warriors, blaster, dl
raider, shock prow
6 scourges, 4 dl, blast pistol
5x ravager, shock prow
1650 pts
27 dl shots, 9 blasters, 16 splinter rifles, and 6 splinter cannons. I can tweak it so I have fewer dark light shots and more splinter fire but so far this seems to me like the best balance of splinter fire and lance spam.