ok so basically, exactly what the description says happened.. not much else. I installed everything, had it working, my computer crashed, I had to reinstall everything, I am trying to nxjflash from the terminal, but I keep getting the error:
Building firmware image.
VM file: /Users/system/Library/lejos_nxj/bin/lejos_nxt_rom.bin
Menu file: /Users/system/Library/lejos_nxj/bin/StartUpText.bin
VM size: 52752 bytes.
Menu size: 38016 bytes.
Total image size 91008/94208 bytes.
Locating device in firmware update mode.
an error occurred: Cannot load a comm driver
So I tried to fix this by using "Update NXT Firmware" in the NXT application, but It wiped everything from the brick >_<
I am pretty sure I reinstalled everything else though... I downloaded the Fantom Driver (apparently it's included now so I didn't even have to. I set the PATH and CLASSPATH, I set the permissions in the bin dir.. oh and obviously I installed the actual NXJ package... what did I forget?