Share the Sacrifice Act of 2007 - Amends the Internal Revenue Code to impose an Iraq War surtax on the net income tax liabilities of individuals, estates and trusts, and corporations. Exempts from such surtax: (1) members of the Armed Forces who have received combat pay after September 11, 2001; (2) survivors of military personnel who received a death gratuity; and (3) taxpayers with adjusted gross income not in excess of $30,000.