The Acer S3 may be king among the Ultrabook family. We compiled reviews, asked retailers, and read articles that all come to the same conclusion, the Acer S3 951 has the best response time, and competes with computers twice it's size that are more expensive.
The Acer S3 comes in 3 models. the one featured here is the 951-6432. This Ultrabook has a a 1.7 GHz core i7 2637M processor with a turbo boost technology that can bring it's speed to an amazing 2.8GHz. All this in an ultra light(under 3 pounds), ultra slim(under .7 inches) package.
Here are the Specs:
Display size- 13.3 inches
Processing Speed- Core i7 1.7GHz
Capacity- 256 GB SSD
Battery Life- 6 hours
Weight- 2.98 pounds (1.35kgs)
Thickness- .69in (17.5mm)