Silicon Image is hoping that you'll want to play HD from your handheld device on a big screen without taking the more convoluted WiFi route using DLNA, Airplay and the like. As such, the company took its WirelessHD 1080p60 tech currently seen in bulkier gadgets like laptops and shrunk it to mobile size as the UltraGig 6400 wireless transmitter. It's now created a reference design for the tech in th