Long Zheng's app looks pretty good. I'm working on my own WPF apps and I think you'll find they look good too.
It'll be a matter of designers setting a good example for others. We dont have any more web pages with dozens of animating GIFs.
Loading User Information from Channel 9
Something went wrong getting user information from Channel 9
Loading User Information from MSDN
Something went wrong getting user information from MSDN
Loading Visual Studio Achievements
Something went wrong getting the Visual Studio Achievements