When you visit the HTC website you will see the HTC Touch Diamond is all it's white splendor, surrounded by white snow flurries. They wish viewers, "A More Connected Holiday Season." White phones are in style, in case you haven't heard, the G1 is harder to get in white.
The white version of the HTC Touch Diamond has been spotted previously and probably won't make to the U.S. in time for a White HTC Touch Diamond Christmas. HTC is expected to surpass Motorola in U.S. sales next year.
Smartphones are like kitchen appliances, their colors go in and out of style. It looks like "White" is new "Avocado" for smartphones. Apple launched a white iPhone 3G earlier this year.