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PRICE £383 (£460 inc VAT) from chillblast.com
he Chillblast WAP Ultimate is, in some ways, a product built for our times. Not only is it the smallest computer here by some distance, with roughly the same footprint as two iPhone minis placed side by side, but it also survives on a tiny 11W trickle of power when idling along. Even at 54p per kWh, and assuming you push it to the max for 90 minutes per eight-hour day,
