PSU has recently conducted an interview with Eric Fong, producer on Folklore.
Here are some of the interviews details:
1. Favorite boss fight has to be the Fleshrum.
2. Filling gap between Japanese and North American and European audiences
3. Blu-ray allowed them to not "cut corners or inconveniencing users with disc swaps."
4. Yes, a demo is planned for both the US and UK PlayStation Stores.
5. Folklore is slated to ship October 9th.