GW are selling two DA upgrade sprues on their site for $20
That is enough to build 10 robed marines, making it pretty damn cheap.
Get em while its hot.
(I just bought 100 dollars worth
Oh remember to buy bases too!
Dark Angels 1750 win/loss Record
Win - 23 (Belial helped wreck Ryan's puny Eldar)
Loss - 13 (Brice's Necrons wiped me)
Draw - 2 (The 13th hold out in alpha take and hold)