When will PlayStation network open?

The PlayStation network has been shutdown since April 20 2011 after they learned they learned of a network intrusion. Information on the actual Intrusion is limited by security considerations and criminal procedures. Latest Sony post under related link said the planned procedure to restore services regionally first week of May 2011 has been delayed while it is being tested. There also was several messages about starting a program to provide customer bonuses. The posts at the related link will have the latest and best information that has been provided directly by Sony and is the only source for new information available. A number of Sony's earlier posts can be found in links under the related question