2000 pts doubles, single foc one player is the "allied detachment" hence why we tried to make the two halves as equal as possible while remaining semi-competitive and using as many painted marine models as possible. My team-mate was my brother Paul.
Took the following list:
Chapter Master, shield eternal, burning blade, bike, artificer armour, auspex
5 bikers, 2x grav-gun
Tactical Squad, plasmagun, combi-plasma, multi-melta, rhino
Tactical Squad, plasmagun, combi-plasma, multi-melta, rhino
Stormtalon, twin-linked lascannon
Stormtalon, twin-linked lascannon
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Thunderfire Cannon
Allied Tau (under Paul's control):
Commander with Iridium armour, PEN chip, MSSS, 4+ invuln, stimulant injectors
Riptide, ion, fusion blaster, EWO, velocity tracker
6 Firewarriors
10 kroot, hound
6 pathfinders
3 broadsides with missiles, 2 with target locks
Game 1 vs Raven guard plus some other space marine chapter
They had roughly: