I bought a used Nook Color already rooted on ebay. It has CyanogenMod 10-20121216-UNOFFICIAL and ParanoidAndroid 2.99 installed. Aren't those both ROMs? How do they work together? Do either of them need to be updated and how do I find out? I'm planning on buying a Sandisk 32GB card on Amazon. Should I get the Class 4 or 10? I plan on storing mostly books and music, maybe some video to it. Price difference is only $5. Do I need a B&N account? Are they still updating the software? Thanks!