Today: IDC sees a big chunk of IT spending diverted to the cloud; Sony’s PS3 powers the U.S. Air Force’s green supercomputer; and Teradata gears up for an even greener Walmart’s data center.

IDC: 15 Percent of IT Spending Will Be Tied to Cloud in 2011 – CRN
Mobile apps: Hot. Cloud computing: Hotter still…

PlayStations power Air Force’s lean, green supercomputer – Government Computer News
Over seventeen hundred Sony PlayStation 3 game machines make for an energy efficient computing powerhouse. The better to pew-pew you with!

Walmart Extends Teradata Mega Deal – InformationWeek
“…Teradata products are expected to deliver a 50% reduction in data center floor space and a 40% reduction in energy consumption.” Nice!

Survey: Consumers warming to efficient lighting – CNET
Spells good news for LED bulb makers.

Majority of Americans Do Not Understand Smart Grid Says New Survey – Transmission & Distribution World
No surprise here. Utilities are still kinda suck in this regard.