The Zune is different because it’s WiFi-based, so it lets you share songs and digital photos without wires between two or more Zunes. It’s got a larger on-screen display. And it’s got an FM radio tuner. At $249, the Zune is available in black, white or brown and costs the same as the $250 30GB iPod. The cost for downloading any of the 2 million songs from the Zune Marketplace is about 99¢, too. Read more at SFGate.com.