Apple MB843G/A

The seriously expensive HP Z1 G2 is an all-in-one workstation desktop that puts massive computing power into a space-saving form factor.

The HP ProOne 600 G1 will work fine as a somewhat high-end business all-in-one desktop PC. However, unless you're dead set against having touch screens in the hands of your users, the alternatives with touch are a better deal for the same amount of money.

Dell gives the Inspiron 23 (2350) a dual-hinge design that lets users comfortably use the system in an extensive range of seated and standing positions.

The diminutive Lenovo ThinkCentre M93p Tiny works equally well in small, medium, or gargantuan sized businesses. It takes up almost no space on your desk, but is still a full-featured desktop instead of a thin client box.

The HP EliteOne 800 moves the business all-in-one desktop in the right direction, with IT-friendly features combining forces with a fourth-generation Intel Core i7 processor and speedy SSD performance. It comes highly recommended for the space...