I actually threw away my 4K disc....the grain for me was awful. I was skeptical purchasing the streaming version but it looked so much better. The VUDU 4K, it almost looks 3D.
New 4K UHD available on VUDU
THE APARTMENT, A FISTFUL OF DOLLARS, FOR A FEW DOLLARS MORE, MISERY, FERRIS BUELLERS DAY OFF. Only Ferris is on sale for $9.99. Hopefully the first 4 titles mentioned will be upgraded on iTunes