Not sure what kind of movies you like, but here are some that are on Instant Play.
Stander
Sin Nombre
Mesrine Part 1 & 2
Fresh
Sleepers
Carlito's Way
The Panic in Needle Park
Memento
The Machinist
Rise of the Footsoldier
Carlos
Trainspotting
Trailer Park Boys
The Fighter
Brothers
Raging Bull
21 Grams
High Life
This is England
The Edukators
Lock, Stock, and Two Smoking Barrels
Dog Day Afternoon
One Flew Over the Cuckoo's Nest
Dog Eat Dog
Super Troopers
Bronson
Half Nelson
Buffalo '66
50 Dead Men Walking
The Motorcycle Diaries
Sling Blade
Reservoir Dogs
Natural Born Killers
The Horseman
The Usual Suspects