The performances were the very best part, and this is saying something, because the costumes and makeup alone are almost worth the price of admission. The editing was crisp (although it could have been a bit more aggressive), the story was engaging, the characters were interesting and complex. The 70's era music was used to great effect.
True Romance is not bad - Tarantino wrote it, after all. But it's not great - Tarantino didn't make the film.
On the good side: clever, snappy dialog. Christian Slater is appealing as the hero. Patricia Arquette's scene with the always likeable yet chilling James Gandolfini was memorable. Christopher Walken and Dennis Hopper deliver the best performances of the movie. Brad Pitt was funny, which is not something you see enough of. The soundtrack was also good.
The Handmaid's Tale is a very good dystopian novel by Margaret Atwood, and as is usual for movies based on books, this movie is not as good as the original material. However, I do try to judge each on their own merits, because the two forms are so different and the comparison is basically inherently unfair.