Yes, it does.
Yes, the Nook Color has built in WiFi
yes!
Yes, the nook WiFi and the nook Color
Go to wifi, find your home wifi and type in the password if needed.
No, it only has slow WiFi.
The Nook Color has 8GB internal memory, and the Nook WiFi has 2GB internal memory.
yes, as long as you have wifi.
Yes
All depends which kind here are some prices though:Kindle-Kindle 3 is $139 w/ wifi and $189 w/ wi-fi + 3G which requires Monthly paymentsKindle DX is $379Nook-Nook is $149 w/ wifi and $199 for Nook w/ wifi + 3G which requires Monthly paymentsNOOKcolor [which I highly recommend) is $249 w/ wifi and has a full touchscreen!
Yes the ps3 has wifi built in.
The Nook (or NOOK) is an ereader under the Barnes and Nobles label using Android opensource. The original Nook has either 3g (through ATT) or Wifi. Current models include the Color, Simple Touch, and the Wifi-only tablet.
Yes, it's built in and works similarly to the wifi on the iPod Touch.