WSJ.com: "Dell Inc. will launch its seven-inch tablet in the next few weeks and a 10-inch tablet within 6-12 months, Dell Greater China President Amit Midha said Wednesday. Texas-based Dell has joined a host of computer makers rushing to offer tablets, which are generally smaller than laptops but larger than mobile phones, following the launch of Apple Inc.'s iPad about five months ago. The iPad has a 9.7-inch screen. ..."