According to Infinity Ward's Rob Bowling, the PS3 version of the Call of Duty 4 Variety Map Pack has now passed Sony certification and has a solid release date for both the US and Europe.
"I have some great PS3 news for everyone! We have hammered out the details for the upcoming DLC and will be releasing the new Variety Map Pack on PS3 in North America on Thursday, April 24," he said.
"In addition, We’re also really excited that the Map Pack passed Sony Europe certification and will be propped on the PlayStation Network on May 1."
More through the link.