USCIS announced that beginning immediately, it will accept employment-based applications filed by those whose priority dates are current under the July Visa Bulletin, No. 107 filed not later than August 17, 2007.
Link to Visa Bulletin: http://travel.state.gov/visa/frvi/bulletin/bulletin_3258.html.
Please note: "USCIS' announcement yesterday allows anyone who was eligible to apply under Visa Bulletin No. 107, a full month's time to do so. Applications already properly filed with USCIS will also be accepted. The current fee schedule will apply to all applications filed under Visa Bulletin No. 107 through August 17, 2007. (The new fee schedule that becomes effective on July 30, 2007, will apply to all other applications filed on or after July 30, 2007)."
Link to USCIS Press Release: