If money is an issue, than by all means spend some time, get a sense of the market, and wait until something comes along within your price range. These are old cameras, so it may be worth paying a little more from a reputable seller.
However, if you can afford it, just buy the camera that YOU want, not what somebody else thinks that you want. People will tell you that it doesn't matter and it won't make your photography any better. However, I disagree - if shooting with a particular camera gives you an immense amount of personal satisfaction, it will inspire you to take more photos, which will eventually improve your photography.
"Happiness" is very subjective and very personal. In the end, this is a hobby for most of us, so just get the camera that makes you happy and don't listen to the person that tells you its stupid to buy a black camera because it costs more - its your money, and your life...