Here are three videos that will have some educational value for SL/SL warlocks, and will make a world of difference if your 2v2 partner is a resto druid. It basically shows you everything the druid needs to be doing to be successful in this setup. It communicates these needs better than words can, and I know my playstyle with my druid has improved a lot now that I know what he needs to do.
http://stage6.divx.com/user/ridzik/v...1027-1-pr-ro-W
http://stage6.divx.com/user/ridzik/v...1027-3-pr-ro-W
http://stage6.divx.com/user/ridzik/v...1027-4-pr-ro-L