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The Toshiba Portege Z935-P300 is an excellent ultrabook value if you can overlook its few design shortcomings.

The Toshiba Portege Z935-P300 is an ultrabook that makes very few concessions in the name of lightweight and thin construction. It's a powerful system with a very good battery life.

The Toshiba Portege Z935 is the fastest and lightest 13-inch Ultrabook you can get for the price.

As far as Ultrabooks are concerned, the Satellite Z930 is a beauty. It's only about 17mm at its thickest point and it weighs well under 1.2kg. Despite being so thin and light it still manages to pack in full-sized ports and very good performance.

The Toshiba Satellite Z930-10X manages to offer an excellent balance between power and affordability. It's a very accomplished Ultrabook - thin, light and powerful enough to handle a wide range of tasks simultaneously.

The Toshiba Portege Z930 might be the lightest 13in laptop in the world - which is undeniably impressive - but it’s not the prettiest or the best. Admittedly there’s not an awful lot of choice when it comes to business-capable Ultrabooks, especially ones also equipped with 3G.

Its performance belies its size considerably, and its battery life is reasonable if not exceptional in its class. Unfortunately, all this quality comes at a considerable cost.

It's very thin and light with decent performance, but you can get a similar laptop for a lot less.

Even with this low weight, the ultrabook offers some of the best running times available and has a very reasonable price tag. Of course, the design of the system is rather dated with its boxy look and the lighter weight does make it feel more flimsy.