The Dell XPS 13 is a sleek machine with unrealized potential, and some lingering quirks. The M4 MacBook Air is as refined as a slim laptop can ever get.

From the moment I first saw the new Dell XPS 15 2-in-1 back at ... those on my old Dell Alienware M11X R3 laptop's screen appear absolutely ginormous in comparison. I have to tip my hat to Dell ...