Man, the more I look at this dress, the more I'm just in awe. I would say I'm jealous of your skills, but that doesn't even scratch the surface. It's something that I want to strive towards. I already have an obsession with pleats that may or may not be normal, but this makes me want to make pleats galore.
And for those of you who are wondering about the pleater...here's the one I just barely managed to snag on ebay (if the other bidder was one of you, I apologize, but I was SUPER HELLBENT on getting this):

Not quite sure if this is the pleater that Madamekat borrowed, but it's close. They're a rare find, so check ebay frequently. If you're looking for one, then search for "plaiter" instead of "pleater" and you can avoid the droves of smocking pleater machines and pleater sewing machine attachments.