wow this is truly a BS move...I'm sorry but if I'm going to be transferring some sort of "dangerous electronic material" I swear to you that you would never find a trace of it on my laptop.
Also look closer at it, it is not just your computer but your MP3 player, cell phone, flash drives, any disks that may contain data, that includes your flash media in your digital cameras...
Basically if you are traveling across the border and back they have given themselves a built in excuse to search and detain just about everyone that crosses the borders. Guess I'll need to start using my old film cameras when I'm working outside of the country again.
The saddest thing is it is getting to the point the only way to reverse the direction the government is going will be to have a revolution.