Here's what I've been able to come up with so far for what I'm bringing to Wargamescon in June, just gotta buy it, assemble and paint and I'll be set!

HQ:
Commander Dante - 225 points (stock)

Elite:
Sanguinary Guard - 230 points (chapter banner)
Sanguinary Priests - 100 points (stock)

Troops:
Three Tactical Squads - 270 points (stock)
Three Assault Squads - 300 points (stock)

Transports:
Land Raider Crusader - 250 points (stock)

Fast Attack:
3x Baal Predator - 345 points (stock)

Heavy Support:
2x Predators - 230 points (twin-linked lascannons)

total - 1950 points

Any improvements on this list would be greatly appreciated, as I'm looking to buy this fairly soon.