Okay let's get right up to speed, in reverse order...
Wednesday 30th June 2010
The Dead Poets Society 128mins
Tuesday 29th June 2010
Nick and Norah's Infinite Playlist 89mins
Role Models 99mins
The Dark Knight 152mins
Monday 28th June 2010
Pinapple Express 111mins
Push 111mins
Paper Heart 88mins
So, taking into account I didn't watch all the films all the way through, that's roughly a total of 575 minutes spent watching films over the course of 3 days.