I've been watching lots of films recently, including the 2006 independent drama 'Snow Cake' starring Signourney Weaver and British actor Alan Rickman. Filmed in Wawa, Ontario in Canada the story centres around Weaver's character Linda, a high-functioning autistic woman. I found Weaver's performance excellent and the film's story profoundly moving. I heartily recommend it.
The film's official homepage can be found at: http://www.snowcakemovie.co.uk/