This list is designed to be good against all opponents by bringing equal amounts of ranged and melee capability. Let me know how you would run it, or if you would make any changes.
Dawnguard Invictors (Leader and 9 Grunts)
Dawnguard Invictor Officer & Standard
Dawnguard Sentinels (Leader and 9 Grunts)
Dawnguard Sentinel Officer & Standard
Stormfall Archers (Leader and 3 Grunts)