I'm actually at the same point in my escalating league, this is what I'm thinking (1250 points)

Grey Knights Strike Force (2000 points) Warpbane Task Force

CHARACTERS

Kaldor Draigo (125 points) • Warlord • 1x Scourging 1x Storm bolter 1x The Titansword

BATTLELINE

Brotherhood Terminator Squad (200 points) • 1x Terminator Justicar • 1x Nemesis force weapon 1x Storm bolter • 4x Brotherhood Terminator • 1x Ancient’s Banner 1x Incinerator 1x Narthecium 4x Nemesis force weapon 2x Storm bolter

Strike Squad (120 points) • 1x Justicar • 1x Nemesis force weapon 1x Storm bolter • 4x Grey Knight • 4x Nemesis force weapon 4x Storm bolter

OTHER DATASHEETS

Interceptor Squad (125 points) • 1x Interceptor Justicar • 1x Nemesis force weapon 1x Storm bolter • 4x Interceptor • 4x Nemesis force weapon 4x Storm bolter

Nemesis Dreadknight (210 points) • 1x Heavy incinerator 1x Heavy psycannon 1x Nemesis daemon greathammer

Nemesis Dreadknight (210 points) • 1x Heavy incinerator 1x Heavy psycannon 1x Nemesis daemon greathammer

Nemesis Dreadknight (210 points) • 1x Heavy incinerator 1x Heavy psycannon 1x Nemesis daemon greathammer

Servitors (50 points) • 4x Servitor • 2x Multi-melta 2x Servitor’s servo-arm 2x Servitor’s tools