I would like to draw everyone's attention to iFixit
. You may already be aware of the fascinating teardowns they provide of the latest gadgetry. But the site also provides free service manuals to keep your gadgets going longer. This site is run as a business selling service parts alongside the manuals in order to fund their continued operation. Though I don't see why you cant buy parts from other suppliers.
Ars Technica hosted iFixit founder Kyle Wiens for one of their subscriber chats this week. Kyle's idea is to keep electronics running longer and to prevent e-waste. The transcript is available here
I found the idea of open source, Wiki style, community authored repair manuals intriguing and I hope they continue to grow the site.