I've got a Gullane Tweed casual kilt from Scottish Lion. It's a cool compromise between tartan and plain. Its a fairly dark blue with brown stripes running through it. Too bad it's a lightweight material, I'm sure I'd wear it a lot more if it were an eight yard 13oz kilt. Still in all, it's a good option for an indoor event that requires something more than a utilikilt but less than the full regalia.

Jamie