New Features:

• View your PSP manual online via the handheld console itself.
• Option to let the PSP auto-run a UMD on startup or not.
• The Photo feature now has a new "Camera" option.
  You'll need the camera from "Chotto Shot" to use it.
• Control your PS3 with your PSP. It can't start games, though.
• Timer for RSS feeds.
• i-Filter service to lockout sites unsuitable for children (JP PSPs Only).

Also, you can now download PS1 games to play on your PSP with this new firmware update available today. PSP owners must link up their handheld console with the PS3 with a USB cable before they can download games via the Games Archives in the online Playstation Store.

Early titles available so far are:

Resident Evil Director's Cut (Capcom)
Konami Antiques MSX Collection Vol.1 (Konami)
Konami Antiques MSX Collection Vol.2 (Konami)
Bishi Bashi Special (Konami)
Arc the Lad (SCEJ)
Jumping Flash! (SCEJ)
Hot Shots Golf 2 (SCEJ)
Silent Bomber (Bandai Namco Games)
Tekken 2 (Bandai Namco Games)

Source:
• Game Watch

Related Links:
• Sony PSP Update (JP)