Yeah its official now. Sony has announced a new firmware, v2.7 for PSP. Unforunately it will be available only for Japanese PSPs. The new firmware will have Macromedia Flash 6 for the Internet Browser. It will also have the capability to save audio from RSS channels. Other updates include a Video L/R setting and playback of AAC files. More details on the Japanese PSP webpage.
UPDATE: Here’s an update for the PSP-1001 systems.