I just bought an iMac at the apple store and brought it home... It has a red pixel stuck in the middle of the screen!!! I went back to take it back and they gave me a policy about pixels and wouldn't take it back! I want to keep the imac, but a red pixel in the middle of the screen is unacceptable. What do I do now? Will my credit card company fight this? The apple store manager was a jerk!