LOVED Cheap Thrills! Aside from the fact that I hate watching people get hurt/stabbed, the movie was really nasty and twisted, but in the best way possible. The concept was interesting, and the last couples scenes were really- well, I see you don't want to spoil anything so
I'll keep silent.
Coherence didn't do anything for me, and I've yetttt to see Starry Eyed. Heard a few good things, but I haven't gotten around to checking it out for myself. Your description is very promising, though
might watch it tonight if @Staryu is up for it.