i would say sell some newspapers to earn some money so you can buy a decent card.
I don't get people who post this. Clearly he doesn't want to and those are his options. He is asking you to help him choose not to judge on his decision to not get a better card!!
The 9400GT is the better card from the ones listed. I would get it even if you are not going to use it for anything too intense over the 8400.