Everything I open, opens in the corkboard view - everything. I did make sure I had the right option selected under the View tab.
Even individual documents? That sounds strange. Documents should default to document view. Can you change the mode for a particular folder or document? Does it stay changed when you re-open the project or re-start Scrivener?
The Windows beta, if you have files selected in your binder and expanded, all the sub holders will show up.