Toshiba joins the ultrabook party with the Portege Z830

Asus and Acer may have been slightly earlier to the game, but the battle for the slimmest, lightest and most powerful laptop is just getting hotter with new arrivals like Toshiba’s new Portege Z830.

Shown to the media in Singapore last week, the latest in the Japanese laptop maker’s thin-and-light Portege line is just 15.9mm thin and weighs a feather-light 1.12kg. On that frame are a 13.3-inch screen and 128GB solid state drive, along with either an Intel Core i5 or Core i7 chip. …