According to tweets I read from this week's PDC, it appears to be alive and well. VS is now using it extensively. Expression Blend was also written with it. Other expression products use a combination of WPF and native C++
>Hello,
>
>Do you have any information about the future of WPF?
>
>Thanks,
>
>TFISHER
Craig Berntson
MCSD, Microsoft .Net MVP, Grape City Community Influencer