In my experience with converting to XAML you don't experience the same degradation since your art is being actively redrawn. You can add gradient brushes and ot

In my experience with converting to XAML you don't experience the same degradation since your art is being actively redrawn. You can add gradient brushes and other embellishments that scale well. Perhaps I will dust off my windows laptop and do a blog post about it. That said, you mentioned that Metro will do image substitution a la iOS. Thats fantastic and something I sorely missed during my Silverlight dev days.