Supreme Littleness Designs is releasing a 28mm crusader castle based on the keep of Byblos Castle this weekend at Claymore. It's designed with the help of the Edinburgh University history department, and it's pretty big. Just the keep for now, but outer walls are coming as a later release, I believe -- after all, many crusader castles are keep-only.
Anyway, I'll be working the Gaming a Crusader Castle project stand at Claymore and I'll try to get some good photos of it in action.