Set up with Sky, Go!View is Sony's TV-on-Demand service for PSP. It's currently only available for users in the UK and Ireland, although in time deals will be set up with other European partners for other countries.
The basic system requirements are a PC running WinXP, Internet Explorer v6.0+ and Adobe Flash v9.0+. You'll also need a decent broadband internet connection and 3GB of free disk space on your PC. In terms of your PSP, at least 1GB of free space on your Memory Stick is recommended, and you'll also need a USB cable.
The main focus of the service is monthly subscription packages for access to TV from the likes of Sky, the BBC and National Geographic.