Yes you heard right. PS3USBJailbreak team deliver on their promise. Now you can use any .hex file to flash your dongle. For the price now on the market, this is arguably the cheapest and most reliable dongle
UPDATE: Now update tool supports MAC and LINUX
News Source: PS3USBJailbreakOur ps3usbjailbreak have updated the programing tools to version 1.2.7.
Add the main function that you can use any .hex file that you downloaded to be used in ps3usbjailbreak(no matter the atmel based or pic based)
And you do not need to worry to broken the dongle, the programing tools will check the hex file. and
make sure the dongle has the ability to be reprogrammed again.