Ideal D GUI Toolkit

[Nick Sabalausky]

On Mon, 20 May 2013 14:14:30 -0700
"Adam Wilson" <flyboynw at gmail.com> wrote:
> Some days I wish I had the charisma and vision to develop that team,  
> because I badly want a D UI toolkit that can do with WPF can. I may
> or may not have the right vision, but I am no charismatic. ;-)
> 

What would you say would be a good introduction to WPF?