I got my build date today. I called my dealer for something else actually.
It is Week 36 (September 2, 2013 to September 8, 2013)
She said that my build week was initially in week 40 something week (I can't remember now), so its been pushed forward. She said it takes about 4 - 6 weeks from then.
I'm looking at early October 2013 I reckon.