I hope I'm not stepping on anyone's toes here, but the In Development page
is the go to source for what the Crafty Duo has said about upcoming products. That said, Fantasy Craft itself was produced in part because people were adapting Spycraft to run fantasy games. You might head over to the License to Improvise forum and put down some of your ideas. Things that attract a lot of fan attention might be the sort of things that end up as products.