Is there a way to re-install Barnes and Noble software on a Nook Color that has been wiped and installed with gingerbread?
This is the firmware for your device's original software (v. 1.0.1).
Simply download and save to the micro SD card and use it to flash your Nook.
Voila! Job well done. The XDA page Chahk posted is an excellent resource and reassuring, stating that it
So there you go! Good luck!