Not much I'd imagine, from what I know of them... they are very small and, in contrast to GW main, get hands on with a lot of the orders that come through.
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)