Yes, I stopped them in the food court while they were trying to get breakfast. I was excited. Sal Perales (Kanan) and his family ran into Dave Filoni at the convention and they were pulled on stage during the Star Wars Rebels panel so everyone could admire their effort. What other franchises do that with their fans?
Filoni also did a cool thing over at the official StarWars.com blog and shared costuming guides for Hera Syndulla and Sabine Wren. His extensive notes would be extremely helpful in building either of these costumes, and I plan to use the Sabine guide. An example:
Check out the posts and take notes:
Are you planning to work on any Star Wars Rebels cosplay?