At first glance, you probably can't tell the difference between a first generation 13-inch Zenbook and the second generation Zenbook Prime. But we assure you that the updated Zenbook Prime has what it takes to be at the top of the Ultrabook competition.

Powered by an Intel Ivy Bridge processor, the 13.3-inch Zenbook Prime UX31A features an SSD to accelerate system performance and Bang & Olufsen ICEpower SonicMaster technology to deliver audio performance.

Ivy Bridge Ultrabooks will be hitting the market soon, but simply swapping out Sandy Bridge processors for Ivy Bridge ones and calling it a refresh simply won't do. That's why ASUS is planning a major component upgrade to their Zenbook series to complement the arrival of Ivy Bridge processors.

There are certain responsibilities and expectations that a poster-child of a new product category must live up to. One such example is the Core i7 processor equipped, 13-inch ASUS Zenbook UX31 for Ultrabooks. It's got the looks and build, but does it live up to expectations? We find out.

The Core i7, 13-inched ASUS Zenbook UX31 has a thin-and-light profile and a speedy SSD, just like an Ultrabook should. However it also comes with some extras like a-high resolution 1600 x 900 screen.

Driven by an Intel Core i7-2667M processor, the 13.3-inch UX31E offers technologies like the instant-on feature which resumes the system in 2 seconds, USB Charger+, and Super Hybrid Engine II which conserves battery.

Driven by an Intel Core i5-2557M processor, the 13.3-inch UX31E offers technologies like the instant-on feature which resumes the system in 2 seconds, USB Charger+, and Super Hybrid Engine II which conserves battery.

Powered by the Intel Core i7-2667M, the 11.6-inch Zenbook UX21E is equipped with an instant-on feature which resumes the system in 2 seconds, and utilizes ASUS's Super Hybrid Engine II technology, enabling 25% more battery life than other Ultrabook designs.

Powered by the Intel Core i5-2467M, the 11.6-inch Zenbook UX21E is equipped with an instant-on feature which resumes the system in 2 seconds, and utilizes ASUS's Super Hybrid Engine II technology, enabling 25% more battery life than other Ultrabook designs.

We were invited to the Singapore launch of the ASUS ZenBook and managed to get a brief hands-on with their latest Ultrabook to hit the market. While it looks gorgeous, is that enough to set itself apart from the deluge of Ultrabooks scheduled to hit the market?