Here are the cables that you'll need to get your PSP connected to your TV. Official pricing hasn't been announced yet. Unfortunately, these cables are only compatible with PSP-2000 series PSP's.
http://www.blogsmithmedia.com/www.ps.../pspavcomp.jpg
http://www.blogsmithmedia.com/www.ps...pspavcomp2.jpg
http://www.blogsmithmedia.com/www.ps...pspavcomp3.jpg
http://www.blogsmithmedia.com/www.ps...pspavcomp4.jpg
Source: PSP Fanboy