Apple has unveiled its iPod Nano (available in black and white) this morning at the Moscone Center in San Francisco. It will be available in 2GB and 4GB, color screen, 1.5-inch color LCD display, holds up to 1,000 songs, and displays photos. Apple is already selling accessories for it like the lanyard headphones and the armband which comes in many colors. Price: $199 and $249 
