Hewlett-Packard announced a new line of notebook PCs that “merge business functionality with sophisticated design.” In other words, a notebook computer that’s a bit pricier than some, but gives you what you need for business use.The HP ProBooks start at $529 and weigh starting at 5.7 pounds and come with:• Windows Vista Business 32, Home Basic 32 and Home Premium 32• Intel Core 2 Duo or Celeron Dual-Core processors• Full-sized, raised-key keyboard (i.e., a separate numeric keypad, plus a touchpad