All the resources in the Guide, starting with most recent.
Part of tutorial
Shortcuts, Editing and Code CompletionPart of tutorial
Refactoring Code with ReSharperPart of tutorial
Navigating Code with ReSharperPart of tutorial
Inspections and Quick-Fixes in ReSharperTutorial
ReSharper EssentialsPart of tutorial
Debugging Applications with ReSharperPart of tutorial
Additional ToolsPart of tutorial
TestingPart of tutorial
Project SetupPart of tutorial
Exploring Project Structure