Laptops come in a variety of different form factors these days, with manufacturers playing into the different categories to develop an intended use case. For example, lightweight laptops are made to be carried around, and trade in some raw power for portability. 2-in-1 laptops come with touchscreens that allow for use as a tablet. The best form factor for you reflects how you think you'll use the device.  Lightweight/ultraportable laptops Laptops are made to be mobile, so the lighter the better. Whether you're a student, hybrid worker, or professional, ultraportables have exploded in the past few years, becoming thinner and lighter than ever.…