Generic

• BBC
• NPR
• Air America Radio
• CNN
• Orange County, California - current traffic conditions

Generic - computing

• Ananova - technology
• cnet
• BBC tech
• CNN Tech
• DDJ
• Grid Computing Planet
• OSNews
• politechbot
• greplaw
• RCFOC (dead)
• scientific american
• techweb
• The Harrow Group (RCFOC reborn)
• Wired
• ZDNet

Linux/unix

• Brave Gnu World
• Cringely (PBS)
• deeplinux
• desktoplinux.com
• freeos
• freshmeat
• gnomefiles.org
• gnomedesktop.org
• Kernel Cousin news (formerly of linuxcare)
• kuro5hin
• Linux and Main
• linux journal
• Linux Weekly News (published Thursdays?) and LWN daily
• linuxdevices.com
• linuxhardware.org
• linuxtoday
• linuxworld
• newsforge
• rootprompt.org
• segfault.org
• slashdot
• thedukeofurl - really nice linux buyer's guide near the beginning of the month, and product reviews (dead now)
• unixinsider

Lindows (sort of linux, but is it really? It's so microsoft-mindset I'm not sure I want to claim it.)

• LindowsBuzz

PDA's

• palminfocenter
• pdabuzz
• pdageek
• pdastreet
• PDAStreet Forums, including a Tungsten C forum

MacOS

• macnn
• macobserver
• macosrumors
• macworld
• macslash

microsoft

• ComputerWorld
• idg.net
• yahoo
• Evil Empire
• Like a Hawk
• Microsoft-Watch