Short summary:
- The games are still being called "Basic," "Standard," and "Advanced."
- Standard should allow much more customization, but mixable: Basic PCs can play in a Standard adventure, while Standard PCs can play in a Basic adventure. They want the customization to be similar to 4E's. Also, they'll have more than the core four races and classes in the Standard version; and multiclassing.
- Yes, PDF files of old material on DrivethruRPG.com.
- The new class for Winter Fantasy is the Barbarian.