OK, so bearing in mind I dont have my codex I think this is an accurate list. I think it would give it a good go!
540
HQ: Eldrad
HQ: Farseer : Doom, Guide, Sorit Stones
HQ: Farseer : Doom, Guide, Sorit Stones
HQ: Farseer : Doom, Guide, Sorit Stones
348
Tr 7 dire avengers - exarch, bladestorm
Tr 5 dire avengers - exarch, bladestorm
Tr 5 dire avengers - exarch, bladestorm
Tr 5 dire avengers - exarch, bladestorm
1080
Hv - 3 War walker - 2 scateer lasers each
Hv - 3 War walker - 2 scateer lasers each
Hv - 3 War walker - 2 scateer lasers each
Hv - 3 War walker - 2 scateer lasers each
Hv - 3 War walker - 2 scateer lasers each
Hv - 3 War walker - 2 scateer lasers each