Ultrabooks are, in a word, cool. They’re slim, flashy, and lightweight, yet they’re rather powerful and offer users a laptop that can do it all in a form factor that begs to be touched and carried around (especially if it’s a convertible ultrabook, in which case the unit can double as a high-powered tablet). Business-class laptops tend to be the opposite.
With all due respect, business machines are often almost comically boxy and dull, offering the bare essentials in terms of looks and performance. The Dell Latitude 6430u ultrabook falls somewhere in between...