PlayStation Store have a huge sale on for PS4, PS3, PS Vita games, and Movies as well.
The sale runs until August 24th with some titles being subbed in and out during that time (some deals below may end on August 10th). There are additional discounts for PS+ members for some games as well.
Some highlights from the sale for PS4:
FIFA 16 - Was $69.95, Now $24.95
The Witcher 3: Wild Hunt - Was $69.95, Now $30.95
Uncharted: The Nathan Drake Collection - Was $79.95, Now $62.95
MLB The Show 16 - Was $75.95, Now $24.95
Batman Arkham Knight - Was $69.95, Now $30.95 ($23.95 for PS+ members)
Mortal Kombat XL - Was $92.95, Now $39.95
Heavy Rain & Beyond Two Souls Collection - Was $54.95, Now $30.95 ($25.45 for PS+ members)
Need for Speed - Was $69.95, Now $24.95
Fallout 4 - Was $99.95, Now $47.95
Borderlands: The Handsome Collection - Was $99.95, Now $24.95
Bloodborne - Was $54.95, Now $30.95
The Last of Us Remastered - Was $62.95, Now $39.95
Destiny The Taken King - Was $49.95, Now $26.95
Loads more available. Keep checking back for more titles :)
Titles for the PS Plus free games for August have also been released. A very mediocre lineup which I was going to post as a deal but had second thoughts.