The folks of have put together a very nifty tutorial on how to root the Nook Tablet and install the Android Market on it. We’re going to preview this tutorial and give you a summary of what it’s about in the following lines, so check them out:

The Barnes & Noble Nook tablet took off less than a week ago and already there’s a root method for it. This one allows you to install the Google Android Market on it, but the problem here is that the process is kind of hard to complete. This is NOT work for beginners, be advised! You will need to install the Android Software Developer Kit on the device, install the Java developer kit on it, also enable adb on the Nook tablet and a run a batch file, manually copy the Android Market, use a root file explorer and more.

If messing with Google’s official Android SDK doesn’t scare you and installing stuff on your just purchased Nook Tablet is a breeze, than keep on reading in the source link for extra info. XDA Developers forum member Loglud also has some advice for you, so everything should be OK. There’s also this nifty video below showing Android Market on the Nook Tablet: