After getting release dates for Japan and Europe, we finally have a street date for North America. Metal Gear Solid: Peace Walker will be available here on May 25, 2010. That’s three days before Europe, but two months after Japan.
"Featuring an original story created by legendary game designer, Hideo Kojima, Metal Gear Solid: Peace Walker is a title that has serious sales potential," said David Daniels, Director of Marketing for Konami Digital Entertainment, Inc. "Kojima Productions has pushed the limits of the PSP system and we cannot wait to unveil their latest addition to the Metal Gear franchise to gamers this coming May."
You should be able to try Metal Gear Solid: Peace Walker in English before May. Last month, Kojima Productions announced they were working on an English demo.