Look out TiVo - In what may be a significant penetration of the personal video recorder market, a major cable company is debuting the video storage technology in Northern Va. Cox will be offering customers the chance to rent digital cable decoder boxes that contain hard-drive functionality within their select suburban test market. Meanwhile, in another local area roll-out (eat your heart out, Silicon Valley), a Maryland company is hard at work demonstrating the concept of high-speed Internet delivered over your power lines. Cool.