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The newest welterweight laptops from HP, introduced on Wednesday, offer more than flashy new skins. Inside is Intel's newest chip technology that offers more performance without a significant hit to battery life.

First up is the 3-pound Mini 210. This Netbook offers, for the first time, a dual-core Atom processor, a break from a long line of single-core-only Atom Netbook processors. Dual-core processors are better at handling multiple data streams than single-core processors and thus boost performance significantly for certain applications.

Despite having two cores, Intel's 1.5GHz Atom N550 has a thermal envelope of only 8.5 watts, only two more watts than its single-core N455 cousin. And this thermal envelope is even more impressive when you consider the fact that it also includes the 200MHz graphics chip, which is built onto the same piece of silicon as the main processor.