Notebooks at work Toshiba is adding two new series to the lineup of recently unveiled business notebooks. The Tecra M3 weighs less than 5 pounds and features an Intel Pentium M processor, integrated 802.11b/g wireless capability and the latest DDR2 memory architecture. Credit: Toshiba Related stories: Notebooks at work Toshiba's Tecra S2 has optional Bluetooth and two wireless networking choices. A CD writer and DVD-ROM are optional in S2, while the M3 comes with a SelectBay CD-RW/DVD-ROM, the computer maker said. Credit: Toshiba Related stories: Notebooks at work HP aims to offer the basics with its family of HP Compaq 6100 notebooks. Models start at about $800. Credit: HP Related stories: Notebooks at work HP wants executives to tote its new Compaq nc4200, which weighs 3.9 pounds, when they're on the road. Credit: HP Related stories: Notebooks at work HP's new Compaq tc4200 tablet looks like a traditional clamshell notebook, but its screen can rotate and fold down to create a writing surface. It has a 12.1-inch screen and weighs 4.5 pounds. Credit: HP Related stories: Notebooks at work Gateway is aiming its M460 notebook, which weighs about 6 pounds, at businesses, government buyers and educational institutions. Credit: Gateway Related stories: Notebooks at work Dell will go after HP with models such as the 3.8-pound Latitude D410, shown here with its add-on media base, which accommodates extras such as a CD drive. This week, the company introduced business PCs it says are faster, more secure and more environmentally friendly than their predecessors. Credit: Dell Related stories: