How much will my PS3 sell for?

I have a PS3 320gb 1 year used. It has 3 games on the hard drive:-
Fl0w, Flower, Minecraft and black ops 2 dlc 1 dlc 3 and nuketown zombies. So i will be bundling bo2 with it. I also have 9 other games in retail form
Infamous 2
BF3
Black Ops
XCOM: enemy unknown
little big planet 2
brink
pop forgotten sands
ultimate alliance 2
FIFA 09
So how much can I sell all this for? I'm saving for a PS4 if anyone's asking.