I love my PSP and I love to play games on it every time I have a break from job.But sometimes I'm on a trip and all I want to do is watch some movies on the road. For that purpose, Movie Dock or Music Amp are the best choice.You'll find that PlayGear Amp from Logitech is not the cheapest solution, but is the best sound you'll ever get on your PSP. Some of you will notice that this sound system is even better than those you are using on your computer. The entire system folds up and fits in the carrying case which is included. Buyers from Amazon recommend this for anyone wanting to hear excellent sound from their PSP without having to wear headphones....