Here is a list of Gadget Blogs in the order of the ones I read the most.
Gizmodo — is about gadgets and technology and a variety of electronics, as well as all sorts of things gadget geeks might enjoy.
Engadget — is a web magazine with obsessive daily coverage of everything new in gadgets and consumer electronics.
TUAW — the unofficial Apple Weblog.
gizmag — covers invention, innovation and emerging technologies in all fields of human endeavour – everything from computing, communication and automation, through social innovation, new ideas, inventions, and services to enhance life, work and play for people of all ages.
MacDailyNews — scours the Web for articles that interest Mac and Apple product users, remarks on the content of these articles, and provides news about Apple Inc. and their products.
Life Hacker — is an award-winning daily blog that features tips, shortcuts, and downloads that help you get things done smarter and more efficiently.
Slashdot — is news for nerds about stuff that matters.
Crunch Gear — covers gadgets, gear and computer hardware.
ubergizmo — reviews cutting-edge consumer electronics.
iPhone Altas — helps you navigate the ins and outs of Apple iPhone ownership with how-tos, troubleshooting information, news, reviews, and more.