And just like that, the CES 2010 on-switch has been well and truly pressed. After HP, Sony and Lenovo all exposed their hardware to the world prematurely, it was inevitable that other companies would "accidentally" follow suit. Thanks to CNET's snooping, we're now staring at a trio of new Core i3 models from Dell, Toshiba and Gateway -- highlighted by an unannounced ATI Mobility Radeon HD 5470 powering a 1600 x 900 1