The Intel-backed Ultrabook armada is all ready to set sail for an ambitious incursion into the domain of ultraportables. But the real motive is not to make a dent in the Apple-dominated ultraportable PC market but to stop the rapid advance of the iPad and other tablets. Even though Intel and its PC vendor chums have been making a lot of noise about this new breed of ultra-thin and light notebooks, Dell and HP continue to be conspicuous by their absence from the ranks of Ultrabook backers. So where are there Ultrabooks?

Last month, Toshiba ended its decade-long absence from the desktop market with the 21.5-inch DX1210 all-in-one (AIO) PC. Now the electronics conglomerate has effectively doubled the size of its AIO lineup by adding another product to it. The new DX735 features a 23-inch full HD multi-touch display with a “stylish and space-saving TV-like design.” Specs after the jump.

In a typically detailed post on the Building Windows 8 blog Monday, the Windows 8 team underlined the advantage of using a Windows Live ID to sign into different Windows devices. According to Katie Frigon, the group program manager of the You-Centered Experience team at MS, doing so will let users have “a truly personal experience that seamlessly bridges their online and offline tasks, is simpler to set up and use, and persists across their set of Windows 8 PCs.” Hit the jump for more.