Infragistics has put together a Fireworks panel that allows exporting to XAML for those of us more used to Fireworks than Photoshop or Illustrator. (Hey, it’s called “PHOTOshop” for a reason and I rarely need to edit photos…)
Now there are several choices for those looking to create XAML graphics for use in WPF or metro. See the complete list on Mike Swanson’s blog for details and links.