Residential LED: Are they here yet?
Efficiency is the Solution
Attacking Standby (Vampire or Phantom) Loads
Measure your progress - Energy Star Yardstick
The importance of Energy Data and EIA
The April edition of U.S. News & World Report was their Energy and Environment issue and had a wealth of great information on the "Green Economy". One of their articles was "The Trouble With the Numbers" and highlighted the Energy Information Agency (EIA), run by the Department of Energy (DOE) and the fact that some of EIA's statistics may be incomplete due to budget shortfalls at the agency.
Cash for Clunkers: Choose your cars wisely!
Tankless Water Heaters: Not sure if I'd Demand them
TED 5000: It's coming in early June!
Comprehensive Solar Resource
If you're interested in an excellent Solar PV overview Michael Bluejay has it covered pretty well here: http://michaelbluejay.com/electricity/solar.html
My only recommendation (which I am going to email him) is to add PVWatts.org to his site!