http://www.imdb.com/title/tt0831299/
http://www.ireallyhatemyjobthemovie.com or http://www.ireallyhatemyblog.com/
You might assume that they're just three waitresses...

Director: Oliver Parker
Cast: Neve Campbell, Shirley Henderson, Danny Huston

Promo video (sort of teaser + interview)
http://www.ireallyhatemyjobthemovie....b%20promo1.mov (4MB)