Sony's announced the arrival of PS3 firmware update 3.73.
It's a non-mandatory install which will improve your console's stability in certain areas, Sony explained via Twitter:
"A new, non-mandatory PS3 firmware update, v3.73, is now available. Stability during use of certain PS3 format software has been improved."
Sure, it all sounds a bit dry but every little helps. Much more significant was PS3 firmware update 3.70, which added bits of functionality including the ability to share recommendations for PlayStation Store items.