Imagine a dozen alley cats, who would normally claw at each other incessantly, purring happily together in a box. This gives you an idea of what's so remarkable about the 1394 Trade Association (TA) Theater Demo this week at Comdex in Las Vegas. Several consumer-electronics giants, such as Sony, Mitsubishi, Samsung, NEC, and Yamaha, as well as computer titans Intel, Compaq, and Microsoft, are pulling together to support the 1394 (FireWire) standard. It is hoped that FireWire will unite the consumer-electronics and computer worlds with a common digital interface. A recent agreement between the consumer-electronics and cable industries has established 1394 as the standard link between digital television sets and DTV set-top boxes.