Procedures specific to DnS:

1. Upwind gears matrix
2. Spinnaker douses...coming soon
3. Crew Guide...under development

Resources:

1. Harken North Sails Competitive Boat Handling CD-ROM  - this is pretty good
2. NorthU Trim and Tactics books - there are excellent books 
3. Racing Rules of Sailing

Tuning/Trim:

1. North Sails tuning guide
2. good rig tuning article
3. Tell tales - excellent articles on aerodynamics and sail theory (with animation)

If you need something else to learn click here and learn some new knots