[Nook Color Android Development] diomark:
1) Grab the 1gb clockwork recovery sd card image

2) boot into CW recovery; mount /system and /sdcard from CW

3) grab a DIFFERENT sd card. unzip the sideload_update.zip, zip up just the /system files

4) unzip system.zip (or whatever you called it) from adb shell onto the nook after moutning it's sdcard (mount sdcard from clockwork, unzip the zip file through adb)

Testing this myself now, but need to step away for about an hour..

EDIT - not having much luck:( trying new things.. but limited on time for this..

OK - so the above method didn't work. But i'm having partial success going the manual route. Right now, I have a nook 1.1 install with superuser working, and most of the google apps working. What's not working is market installs. market is also working.. (everything that I've tested so far is working:) )

Here's what I've done - it's complicated:( and I don't recommend it unless you're comfortable with adb / linux /etc. (wait for a real dev to package this up if you're not..)

http://legacyschool.us.to/nookdev/clockwork/clockwork_1gb-0.4.tar.gz

1) Burn the clockwork SD recovery card - boot from it. http://legacyschool.us.to/nookdev/clockwork/clockwork_1gb-0.4.tar.gz after it boots, adb from the desktop to your nook. (alternatively, bootup nookie froyo and adb to your nook using it. CW would be simpler though for mounting the /system and /data)

2) Restore your system and boot images to stock, using dd directions here - ( http://xdaforums.com/showthread.php?t=919353

3) Upgrade the nook to 1.1 manually using B&N's directions - http://www.barnesandnoble.com/u/nookcolor-support-software-update/379002520/?cds2Pid=35758

4) after an install, your apps will mostly be working, but you won't have the google apps or superuser. Bootup again using the SD card image (either clockwork or froyo) - mount /system and /data from there (using the menus in clockwork if that's what you used.

5) Follow the steps from nookdevs to re-root your device

http://nookdevs.com/NookColor_Installing_su_and_the_Superuser_app

http://nookdevs.com/NookColor_Installing_Busybox

Nook color email if you need it - http://nookdevs.com/NookColor_Email

grab the google apps - http://www.mediafire.com/file/awqekwp5dpbk4e3/nc_gapps.zip - adb push it to your device (adb push nc_gapps.zip /data/local/

copy the /system/framework/framework.jar to a backup file (cp /system/framework/framework.jar /system/framework/framework.jar.bk)

unzip the nc_gapps.zip (cd /system; unzip /data/local/nc_gapps.zip)

copy the framework file back as it's most likely incompatible with the new 1.1 software (haven't tried using it yet) - ( cp /system/framework/framework.jar.bk /system/framework/framework.jar)

(Credit to MrMuffin for getting market working) using the clockwork sd card with /system and /data mounted, run the following commands from adb shell -

cp /system/build.prop /data/local/build.prop.bk
cp /data/system/packages.xml /data/local/system.xml.bk
sed 's/^.*ro.build.fingerprint.*$/ro\.build\.fingerprint=verizon\/voles\/sholes\/sholes:2\.1-update1\/ESE81\/29593:user\/release-keys/' /data/local/build.prop.bk > /system/build.prop
sed '1,/uid.system/!{ /<perms>/,/uid.system/!d; }' /data/local/packages.xml.bk > /data/system/packages.xml

Then unmount /system and /data in CW, remove the SD card, and reboot.

Reboot your nook.. now you're in 1.1 with su working..

Still working on it.. market installs are failing (because I haven't personally done the steps for enabling market y et.. ) but the rest of the apps are happy.. <-- working now

-m