Next week, Lenovo will officially take the wraps off the first significant update of the ThinkPad W700 laptop since it was introduced in the fall of 2008. Leading the list of what's new is an optional slide-out second screen in a variant called the W700ds, but there are other noteworthy changes in both the single and dual screen versions of the company's photographer-friendly desktop replacement. These include a more affordable quad core processor option, the ability to order the machine with as much as 8GB of RAM (up from a maximum of 4GB previously) and the correcting of a problem that rendered the optional built-in CompactFlash slot unusably slow.

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