Computers - compare some major companies

 Dell - Environment  -has a 'choose greener products' link

 Apple and the Environment -includes product reports

Acer Environmental Information 

Cisco Systems Environment - company also addresses ethics and social issues 

  HP Environment - includes link to HP Environmental Solutions Store

IBM Energy and Environment

Philips Sustainability  -has links to green products

Toshiba Environment


By the way, when it comes time to part with a computer, Goodwill will accept computers as donations. They are one of the few places, in my area anyway, which doesn't charge to accept computers for recycling.