PSU.com have picked up on the recent reports of the official Playstation website listing Lair and Heavenly Sword as releasing in May. They further state that this site was launched on March 23rd to conincide with the European launch, further validating that this information is current.
PSU.com: "May was looking rather dry with only a few worthwhile PlayStation 3 titles coming out. Spider-Man 3 and MLB '07: The Show were the only big titles due for release.
However, things are looking up..."