Let's first look at a report from an anonymous user.
we have received the first MacBook Pro 2.2 and 2.4GHz models, and we spotted on 15" LCE display a yellowish profile.
After trying different ICC profiles settings, we could improve the overall rendering, but we could not match the quality of non LED backlighted 15" display of previous MB Pro models.
This was confirmed on 2 MB Pro 2.2GHz and 1 MB Pro 2.4GHz.
To quickly test it, use the default Apple blue desktop image, or the one featuring little stones.
P.S : the display we have used for calibrating our display is a LaCie 321.
We would normally wait for receiving many reports before publishing such information; but identifying the problem on 3 units, and with the photos shown below, there is indeed something weird with this display:
Those photos comes from