En USA ya se pueden reservar los UHD de los siguientes títulos;

Argo
https://www.amazon.com/Argo-Theatrical-4K-Ultra-Blu-ray/dp/B01LTHO3QO/ref=sr_1_1?ie=UTF8&qid=1475778559&sr=8-1&keywords=argo+4k+ultra+hd

Uno de los nuestros (Goodfellas)
https://www.amazon.com/Goodfellas-4K-Ultra-HD-Blu-ray/dp/B01LTHO3QY/ref=sr_1_1?s=movies-tv&ie=UTF8&qid=1475778616&sr=1-1&keywords=goodfellas+4k+ultra+hd

The Town Ciudad de ladrones (The Town)
https://www.amazon.com/s/ref=a9_sc_1?rh=i%3Amovies-tv%2Ck%3Athe+town+4k+ultra+hd&keywords=the+town+4k +ultra+hd&ie=UTF8&qid=1475778709

Soy Leyenda (I am legend)
https://www.amazon.com/Am-Legend-4K-Ultra-Blu-ray/dp/B01LTHO3RI/ref=sr_1_1?s=movies-tv&ie=UTF8&qid=1475778777&sr=1-1&keywords=I+am+legend+4k+ultra+hd

Sin Perdón (Unforgiven)
https://www.amazon.com/Unforgiven-4K-Ultra-HD-Blu-ray/dp/B01LTHO3QE/ref=sr_1_1?s=movies-tv&ie=UTF8&qid=1475778837&sr=1-1&keywords=unforgiven+4k+ultra+hd


Buena remesa, fecha sin especificar...