No, hang on. You posted to ask me about my "replace background" tutorial, but now it seems like you're saying you won't be replacing the background at all?
Great.
So I'm wondering why you think there is a problem? This photo looks amazingly good to me. The Exposure is almost perfect, the white balance is almost perfect. It's going to turn out great!
Well, let me ask you a different question. When you took readings of all your screen's presets, which one was the warmest; and did you then use that one?