Maximum PC: Have you heard the one about the post-PC era? Of course you have, probably a thousand times by now because of all the attention being paid to tablets and smartphones, and the uncertainty surrounding Microsoft's touch-friendly Windows 8 platform. But don't believe anyone who tells you the sky is falling -- including Apple CEO Tim Cook, who justified the launch of a $799 128GB iPad by saying people would rather play on his tablet "than their old "PCs" -- because Lenovo is proving there's still a significant market for computers. (Lenovo, PC hardware)