Did you try the Android on a SD CARD system first? It is free and as they say, there is an extra charge if you buy it on the MicroSD card. Yes, you can make you own.
More at link.
Bob
--> http://nookdevs.com/Nookie_Honeycomb:_Burning_a_bootable_SD_card
How does one go about making a Nook Tablet into a full android tablet, or does it even need to be done.

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic