Last week proved it would take more than just a little rain to keep preemgoers from their rounds. Richard Attenborough and stars Sandra Bullock and Chris O’Donnell celebrate the bow of New Line’s “In Love and War” Monday at the Director’s Guild. Also there from the film were Mackenzie Astin, producer Dimitri Villard, exec producer Sara Risher and co-producer Diana Hawkins. Well-wishers included Matthew McConaughey, Michael Keaton and David Carradine. Event raised $111,000 for the Artists Rights Foundation.