That said, my last phone was a Thunderbolt with an extended battery, so it's safe to say that I won't mind a bit of thickness.

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To power this beast, Xiaomi's throwing in a 2, 000mAh cell, but you can also purchase a 3, 000mAh version if you don't mind the extra 2mm thickness on the phone.

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While it isn't built into the hardware, it doesn't seem to add much to the weight or the thickness of the case and thus the device itself.

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And mind you, we're using the word "ultraportables" very deliberately here: in addition to Ultrabooks, HP is selling so-called Sleekbooks -- lightweight machines that, for whatever reason (thickness, AMD processors), don't fit Intel's definition of an Ultrabook.

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It doesn't exactly make the most of the rig's requisite thickness, housing only a Blu-ray drive on its starboard side, flanked by a pair of USB 2.0 ports.

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