yeah, you're right..I do not want to drop the prism

I will probably field variations of this army at times, because playing with the same stuff every time would be boring...then I will also use my nids which I have, but decided I'm not gonna paint till I get my Eldar and paint those first.
One variation might look like this...tell me if its a big improvement from the first:
Death Rain Swordwind Army
5 Dark Reapers (Troops) @ 185 Pts
Reaper Launcher
5 Dark Reapers (Troops) @ 185 Pts
Reaper Launcher
5 Dark Reapers (Troops) @ 185 Pts
Reaper Launcher
1 Fire Prism (Heavy Support) @ 145 Pts
Linked Shuriken Catapults; Prism Cannon
Crystal Targetting Matrix [30]
10 Striking Scorpions (Troops) @ 160 Pts
Mandiblasters; Shuriken Pistol & CCW
1 Wraithlord (Heavy Support) @ 125 Pts
Flamer (x2); Missile Launcher
1 Farseer (HQ) @ 72 Pts
CC Weapon (x1); Shuriken Pistol (x1)
Guide [30]
1 Farseer (HQ) @ 72 Pts
CC Weapon (x1); Shuriken Pistol (x1)
Guide [30]
2 Crew (Heavy Support) @ 50 Pts
Shuriken Pistol & CCW (x2)
1 Support Weapons @ [30] Pts
D-Cannon
16 Guardian Defender Squad (Elites) @ 161 Pts
Shuriken Catapult
1 Warlock @ [33] Pts
CC Weapon (x1); Shuriken Pistol (x1)
Conceal [20]
10 Striking Scorpions (Troops) @ 160 Pts
Mandiblasters; Shuriken Pistol & CCW
Models in Army: 59
Total Army Cost: 1500