Jezu ufam tobie.
I have a strong objection to the Feast of the Divine Mercy's replacement of Low Sunday on the Roman Calendar because it disrupts the paschal season.
The Paschal Season is a season of joy and commemoration of Christ's victory over death. It's not a time for the penitential self-flagellation of the Divine Mercy chaplet.
If it belongs anywhere on the Roman Calendar, its during Lent, not Pascha.
That's not to mention that all of the Popes between Pius XI and Paul VI suppressed the Divine Mercy cult as spurious.
http://www.divinewill.org/Biographies%20-%20Biography%20of%20Luisa%20by%20Fr.%20Sanguiao.htm
I pray that some future pope will have the foresight to suppress it. I am glad that Byzantine Catholics do not celebrate it publicly.
Happy Low Sunday:
http://www.breviary.net/propseason/easter/propseasoneast1.htm