Here is my list for the Dark Angels. It is Deathwing heavy with a little Ravenwing to help it out. What do you think?

Deathwing w/ Heavy Flamer
Deathwing w/ Lighting Claws and Deathwing Banner (5 attacks per model on charge)
Dreadnaught w. multimelta and Drop Pod
Ravenwing Attack Squad w/ six bikes. PW, 2 meltaguns, Attack Bike w/ Metlagun
Land Raider Crusader
2 Whirlwinds