It's no secret that we're not really into bling-encrusted gadgets, but SanDisk really went the distance with its new prototype USB necklaces. They're hand-made gold creations with Onyx centers on a gold chain. The one pictured sports a 4GB hard drive with a tiny diamond embedded in its handle. Right now SanDisk's just gauging retailer interest, with no set plans to manufacture the jewelry. If the company does decide to sell them, however, we've been assured that they'll have 12GB of memory and be really expensive.