Another big seller of PSP stuff have the TV Adapter for the PSP in stock, heres the info from Lik Sang:
The TV Adapter for PSP (PSP2TV) lets you hook up your PSP to your home television via Composite or S-Video and Stereo connectors. It also lets you connect and use a PS2 controller on your PSP. The installation requires you to open and modify your PSP console, you need to replace the front face plate with the one included. This device is recommended anyone who wants to play their favorite PSP title on the big screen.