Some high end hotels will actually have dogs sniffing your lugged to protect against a bed bug problem.
http://www.nytimes.com/2010/03/11/garden/11bedbug.html?pagewanted=all
You can also heat up your house to about 120-130 and that will kill bed bugs, i think this is the safest and best way to get rid of them. If i ever go them this is what i would do.