Markus would disagree. SP1 also added a bunch of stuff to WPF, including performance enhancements.
>I was struck by Rick Strahl saying a few months ago, in so many words, that WPF isn't ready for prime time and he has stopped using it for the time being. I also remember you disagreeing.
Craig Berntson
MCSD, Microsoft .Net MVP, Grape City Community Influencer