Gaf users have confirmed that Bethesda has released a beta for PS3 Brink.
The beta is currently private and invites are sent in to PLUS subscribers only. It will last several weeks and is designed to gather all the feedback possible to deliver the best gaming experience possible.
For those unfamiliar with the title, Brink is a First Person Shooter developed by Splash Damage to be put on sale in spring 2011.