It's no news that the PC market is still in the dumps. The real question is how long the doldrums might last. Microsoft (NASDAQ:MSFT) is hoping that Windows 8 can spark a new wave of growth, while Intel (NASDAQ:INTC) is marketing its Ultrabook designs very aggressively. Barclays analyst Ben Reitzes thinks PC unit sales could fall for "years to come," driven by a number of factors like smartphone and tablet cannibalization as mobile device adoption soars. Even in the enterprise market, tablets are all the rage. That spells bad news for Dell (NASDAQ:DELL.DL) and Hewlett-Packard (NYSE:HPQ) as the top PC suppliers to the enterprise space. Doesn't look like PC woes are getting better anytime soon.

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