The NookColor defeats the purpose of an e-reader. The Nook is supposed to help you with your eyes, by not looking at the bright screens.
yes, you can upgrade to 3.0
nope the nook is much smaller than the nook color! dah!
Nook- E-Ink display, so you can read in sunlight but not in dark places ( black&white) however, it has a small color capacitive touchscreen at the bottom NC- LCD backlight display, so you can't...
it is newer, and you can get magazines on it