With gaming the focus, Ars Technica has updated the System Guide, bringing you The Performance Gaming Box and The Ultimate Gaming Box. The Ars Technica System Guide has always been an excellent resource to anyone building a new system. To get fraggin and increase those FPS, head over and check it out!

Major upgrades are often driven by software, not hardware. And one of the biggest software categories driving upgrades is games. Excitement over dual-channel memory or the NVIDIA 6800/ATI X800 series video cards is great, but without a compelling need to upgrade, excitement does not always generate sales. Far Cry brought many older systems to their knees a few months ago. Today, Doom3 does the same to many almost-new systems.