Northern Softworks today announced the release of Lights Out 2.1, the latest release of the company’s Energy Saver utility for Mac OS X 10.2 (Jaguar). Lights Out serves as an Energy Saver enhancement, putting your Mac to sleep even if Energy Saver fails to do so. Version 2.1 offers improved performance and a few minor bug fixes. Lights Out is US$7.95 shareware.