seriously though.. the idea is good although flawed...
I am an Aussie living in the USA... I would, at an instant, sight up for a program that invaded all my life (HEHE! Try apply for a US Visa and THEN complain of invasion of privacy tweeps!) in exchange for easy transit through US USIC checkpoints...
Seriously, nothing to hide, but I get damn sick of saying it every time...
Ditto domestically... here is all my PII, investigate the buggery out of me and then just let me keep my shoes on and my laptop in my bag and I am a happy chap...
But then I am a foreign national so all cards are off the table!