That's what I thought until I read Moxie Marlinspike's paper, especially how one can create a valid certificate for say www.paypal.com as a leaf of an otherwise valid trust chain for another domain.
Unicode tricks are pretty scary too...

Well, on the vacation side, very likely, yes. On the salary side, certainly not.

Being a French citizen who currently lives in the Bay Area, I can tell you that, even with the dollar's depreciation lately, my American pay check is still three times worth my French one. For the exact same IT job (sysadmin in an academic environment).

Money is still the number one motive which drives foreign people to come study or work in the US. And quality of life is probably the number one motive which brings them back home.