Here's the current list of conventions and events you'll be able to find Grendel's Den Design Studio at for the 2010 season. Follow the link to the event's website for further details. There will be more added as we get farther into the year.
Zombie A Go-Go Rock N Roll Art Show: February 13, 2010
Wicked Faire: February 19-21, 2010
Ravencon: April 9-11, 2010
National Haunters Convention: April 29-May 2, 2010
Steampunk Worlds Faire: May 14-16, 2010