In an interview with CNBC SCEA president Jack Tretton said that PS4 games will range from $0.99 and free-to-play to $60, when asked if a $600 console with $60 games was still viable on the market. While not a definite answer on what the price will be on AAA titles next generation it is an indication prices will remain roughly the same as this generation.
Tretton also ruled out a triangular PS4 and said it would most likely be something rectangular and made out of plastic.