Using white point for White Balance (instead of gray point)

Dear All,
I am looking to buy Aperture 2.0, but one point annoys me a bit : it seems that we can only use gray point to make a White Balance. I use to use only white points in Photoshop, as my photos of products rarely include gray colors. I take the photos on white background only, and when doing WB with a white point, my product gets nice colors, and more important, appears to "float" on a totally white background.
Also, I do not want to bother with a gray card, as by experience it didn't prove to be as effective.
My question is : is there any means or plug-in to use white point to make a white balance ?
Thanks a lot !
Arn'

Arn,
Hate to break it to you but.... It doesn't matter if you use white or grey as long as the actual color is neutral (no tendency towards blue etc.) what does matter regarding white is to make sure that there is enough color information in all the color channels to make an accurate assessment of the color of the light in the scene.
As there are a million ways to do something in PS I don;t know exactly what you are doing but it sure sounds like you are actually doing a couple of things to the image in one step. In Aperture if I assume you are using the white balance control brick to manipulate white balance that is the only thing that is being changed - nothing else (like the contrast).
RB

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