Hewlett-Packard may not be well-known by consumers for creating the machines that power the industries that power the world we live in, but the company's workstation business does just that. From film to oil drilling to medicine, HP's workstations have their hands in a lot of pies -- and today, that expands more directly to yet another major industry: video games. With its Z1, Z820 and Z620 workstations, HP is collaborating with Epic Games, Autodesk, and ALT Systems to create