While its movie rental rivals Netflix and Blockbuster have struggled for varying reasons recently, it seemed like Redbox could be just the ticket for thrifty renters. That may be a little tougher now that it has announced Monday we'll see a slight increase in pricing for DVD rentals, from $1 to $1.20. So far, nightly pricing for Blu-ray discs ($1.50) and videogames ($2) is staying the same, but with studios already pushing for longer rental delays, there's fewer safe ports or those pursuing cheap, current movies. Check below for