The latest USB Jailbreaking device for the Playstation 3 is the PSHub. This device adds an extra USB port to your PS3 and it will also jailbreak your Playstation 3 so that you can backup your original PS3 games onto the PS3's internal hard drive. The PSHub is extremely easy to hook up and will have your original game disc and PS3 bluray drive from wear-and-tear. This video shows the PSHub in action.
If you'd like to purchase one, click here.