Firmware for the Nook has been updated to version 1.4. You can find the details here. The new features are:
Extended AT&T Wi-Fi Hotspot support — FREE and seamless connection to AT&T’s entire nationwide Wi-Fi network including restaurants, hotels and additional locations, and wherever you see an AT&T Wi-Fi sign.
New extra extra large font size
Go-To Page feature allows users to go to a specific page in their eBook