I use my PC for all media and the PS3 for Blu-ray and games. Mostly Blu-ray though, haven't really been gaming much lately. I use the 360 every now and then when its available, mostly for Arcade titles like Limbo or Trials HD but also some Forza and Fable now and then.
I play very little on consoles though, probably do 95% of my gaming on my PC, which is getting an upgrade very soon!