If you've got the cash to spend, the HP Z1 is a productivity powerhouse. It's fast, has a Blu-ray burner as an available option, and has one of the best displays available in an all-in-one desktop. It also has more expansion options than most of its competitors. However, it's missing some features available on more entertainment-centric all-in-ones, including HDMI ports and a touchscreen. That makes it more appropriate as a machine you're going to primarily use for work, rather than play, which is how HP has positioned it.