The continued $100 discount could augur a refresh of the Surface Pro line, as did a similar price cut two months before the unveiling of the Surface Pro 2 in October 2013. But rumors of a Surface Pro 4 have pegged launch dates no sooner than July.
In the fourth quarter of 2014, Microsoft reported record Surface revenue of $1.1 billion, with a gross margin of between 19% and 20%, still low, perhaps even insufficient to cover marketing costs, but significantly higher than the third quarter's gross profit of just 9%.
Surface device owners can start the buyback process on Microsoft's website.
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