For cost-conscious companies in an increasingly mobile world, it often can be difficult to find a notebook computer that is easily portable, powerful enough to replace a desktop PC, and offers the kind of battery life that allows road warriors and off-site employees the freedom they need. At the same time, small businesses don’t often need the fancy entertainment-enhancing features that drive up prices they need durable, powerful and portable machines with WiFi capability, Web cameras and other features to connect them to the mobile business network. Toshiba recently introduced a line of Satellite and Portage notebooks that offer connectivity to the WiMax 4G mobile Internet, currently available in 54 cities in the United States. With that in mind, here’s a selection of 10 laptops from a host of vendors including Acer, Dell, Hewlett-Packard and Lenovo that offer a compact form factor, important connectivity features like Bluetooth, HDMI and USB and, most importantly, they won’t break the budget. – …