Producers Christine Vachon and Pamela Koffler will be at the Apple Store in Soho this Thursday night, discussing digital technology and independent film production. Vachon and Koffler, through New York-based Killer Films, are the producers behind Velvet Goldmine, I Shot Andy Warhol, and other indie classics. The appearance wraps up a whole day at the Apple Store devoted to digital filmmaking, including beginner-to-advanced workshops in Final Cut Pro, iDVD and Shake. Vachon and Koffler go on at 7:pm; for a full list of the day's itinerary, check out the Store's website. The Apple Store is located at 103 Prince Street, at the corner of Green Street, in Manhattan.