Acer has revealed the Aspire S5, apparently the world's thinnest ultrabook at just 15mm at its thickest point, and offering a high-speed 20Gbps Thunderbolt port. The 13.3-inch ultraportable resumes from standby in 1.5s, Acer reckons, and there's Acer Always Connect to collect social network and email messages while the Aspire S5 is in standby mode; alternatively, you can remotely wake the notebook from your smartphone.
An Intel Core processor lurks inside, paired with an SSD, while a "MagicFlip I/O port panel" hides behind the screen hinge and - when pressed - pops open to reveal the HDMI, USB 3.0 and Thunderbolt connectivity. There's also Dolby Home Theater v4 sound and a PowerSmart battery, which Acer says has a 3x longer battery cycle life than rival power packs.
Chicklet keys and an Onyx Black "delicately curved" chassis, along with a magnesium-aluminum alloy cover and palmrest keep things looking slick in your bag or on your desk. No word on pricing at this stage, but the Acer Aspire S5 will begin shipping in Q2 2012.
Update: Image added and live images here.