I have spent the past few weeks busting my backside sewing a Ghost of Christmas past gown for a "A christmas Carol" production in town. I'm planning on using the money I make from that to get him the belt and sporan.
I'll look at the places you recomended. Also someone mentioned a waistcoat. His birthday is a couple months after Christmas, I might surprise him with one of those for his birthday.

He supports my sewing habit, and I get to walk around with a dashing man a kilt. What could be better than that. BTW he just got asked if he would wear his full kilt kit for the family photos next week. I have to make him look good don't I.