Ultraportable laptops generally command a premium price. And HP’s 14-inch Dragonfly Pro certainly fits in that category, usually starting at a hefty $1399 for the version we reviewed last year. But today B&H Photo is chopping $600 off that price, bringing it down to a much more palatable $799. The Dragonfly Pro is HP’s premiere consumer laptop design, boasting a sleek .72-inch-thin body made of aluminum and magnesium with a bright 14-inch IPS touchscreen standard. But it’s also a surprisingly practical machine. While it’s a bit heavier than other laptops in this category at 2.42 pounds, it’s p…