Resistance 3 Beta
During Comic-Con, Insomniac confirmed that the beta would start the first week of August. Beginning August 4th, anyone who received a beta code in their copy of SOCOM 4 will be able to start playing.
If you're a PlayStation Plus subscriber, you can start playing the beta on August 23rd. No details have been revealed as to when or if non-Playstation+ subscribers will have access to the beta.