Update: It’s out.
Original: The PlayStation 3 will receive a small firmware update soon. Firmware v2.76 is a minor update that will improve the playback quality of some PlayStation 3 format software.
No word on when it will go live, but it usually happens the same night their details are posted on the PlayStation.Blog. Be on your toes.
PS3 Firmware (v2.76) Update [PlayStation.Blog]