Device Tracking

Article - http://www.computerworld.com/action/article.do?command=viewArticleBasic&articleId=9110128&source=NLT_SEC&nlid=38

Adeona - http://adeona.cs.washington.edu/ (Free)

LoJack - http://www.lojackforlaptops.com/ ($40/year)

PhoneHome - http://www.pcphonehome.com/ - ($30 one time fee)