Reading previews not enough? try any demo

http://www.pspdemocenter.com/

go here on youre psp browser and you can download psp demos, flash games, (make sure you get the pdc.exe file to play flash games) and reviews and wallpapers all in one sie. They have every demo as far as I know and you can download it without registering or anything! Hope this helps! leave comments ill help you the best i can