PlayStation 3 Firmware v2.53 is now available to download using the Network Update feature on the console. You will be prompted to update your system (if you haven’t already done so) when you boot up your PS3. The new system software version improves the Flash Player in the [Internet Browser] to support full screen viewing and also adds Live movie playability (using RTMP format). What does this mean? You can now enjoy YouTube and BBC iPlayer videos in full screen on your HD (or SD) TV.
The new update brings the PlayStation 3 slightly closer to becoming the ultimate multimedia device. Of course, there are still plenty of features Sony can add, such as better video format support, subtitle support (.srt files) and the PlayStation Video Store for other regions (currently only available in the US).