Examiner.com: Surely the small form factor is one of the biggest hooks of the S5, and anyone looking for something extremely portable needs to consider this one.
Engadget - With dozens and dozens of Ultrabooks on parade, you'd be forgiven if one skinny laptop with an ultra-low voltage processor started to look like the next. Even so, it's tough to forget the Acer Aspire S5: of all the ultraportables we've seen these last nine months, this is the only one with a motorized port cover.
Cnet: The Acer Aspire S5 is an incredibly thin and light ultrabook that hides its ports, including Thunderbolt, behind a clever motorized door.