TheSixthAxis (linked above) is reporting that the PS3 Firmware v2.50 update will be released sometime in the week, between the 13th and 19th of October.
Our friends over at eLhabib have just let us know that the next PS3 Firmware update will be between the 13th and the 19th of October.
Basically, at some point next week. There should also be another PSP update around the same time. More PlayStation 3 News...