|I'll Follow You Down (Blu-ray)||R1|
The US Region A Blu-ray is in the same aspect ratio, but is in 1080p and has a DTS-HD MA 5.1 audio track. It also includes as extras a 13 minute behind the scenes concentration on the recording of the score and three deleted scenes (5 minutes). The Region B UK version is the same as ours as far as I can see.
Reviews of the US release suggest that the audio has little dynamic range and indeed this film does not require anything except clear dialogue. That release is also 1080p, although there is nothing wrong with what we have. However, the better video and audio specifications, plus the extras, would make Region A the better release.