A recovery fix was posted in this MoDaCo thread (post 149).
Here is that fix (formating the misc) in a .bat file. Just extract and double-click FixBSOD.bat while in nVidia flash-mode (boot holding [Back] while plugged in to USB and charging).
If you ever get a BSOD, there is no need to reflash, just run FixBSOD and then hard-reboot it by holding power for ~10seconds. It should boot normally in to your old rom you thought the BSOD had trashed.