A new team called Cobra are bringing out a v3.41 USB Dongle, but with many new features that have yet to appear for those running v3.55 CFW's on their Jailbroken PS3 consoles!
Blu Ray Movie region free functionality
Allows you to play Blu Ray movie ISO’s from HDD
Allows you to play DVD movie ISO’s from HDD
Integrated support to play PS1 game ISO’s from HDD
Integrated support to play PSP mini games from HDD
Enjoy PS3 games with files >4GB on external USB HDD
Ok, i know most people who know about ps3 jailbreak will probably be on CFW v3.55 but it won't be long before we will see this on a new updated CFW 3.55 (hopefully)