During the announcement of iTunes Movie Rentals in January, Apple said it hoped to offer 1,000 films by the end of February. According to a new report, it fell far short of that goal. AppleInsider reports that as of Monday, only 384 movies were available for rent through iTunes, less than 40% of Apple’s stated target. Only 91 films were available in HD, and out of those, 40 lacked Dolby Digital 5.1 surround sound. In addition, 21 titles came…