Audio
GoodCans.com - Headphone Recommendations
Tweak Headz Lab - The Best Site For Learning Electronic Music Production
Studio At Home - Resources For Musicians, DJ Audio And Music Home Studio Users

Photo
Luminous Landscape - Product Reviews
Dpreview - Latest Digital Camera Reviews / Previews

Video
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nVidia drivers - nVidia Drivers, BIOS And Utilities

Hardware
Toms Hardware Guide - Internet's Premier Resource For PC Hardware Reviews And News
DevHardware - Computer Hardware News And Reviews
Internet Tool - DNS Stuff