Hi there,
I had black or blue phones all my life (Nokia 3310, Nokia 6810, N95, N98, I8910, SGS2 - these I can remember). This time with the SGS3 recall of the blue model I decided to risk and got the white one. I can tell you that may be I was skeptical the first 1-2 days, but now I wouldn't change it for blue even if they give me 100 Euro extra. It looks stunning, fresh, summery, clean and etc. On top of that the metal like surface on the side of the phone is making this phone stand out 10 times more than the blue model.
I believe that if you get the white one you will not regret it.
I hope this helps.