The only claim that advance warning was given for the Gaza attack comes from the Israelis - once again - they would say that, wouldn't they.
This appears to give a cross section of contrary opinions on the legitimacy and conduct of the attack from 'Lawyers Without Borders'
Jim Carroll

http://dissidentvoice.org/2009/02/israels-attack-on-gaza-legitimate-self-defense-or-war-crime/