I contacted Sephora, Neiman Marcus, and Nordstrom today.
Nordstrom didn't know when it would be coming initially, but they called one of their stores on the East Coast to see if they had a timeframe. The store said that it would be coming in the near future, but that they didn't have a release date.
Neiman Marcus didn't know when they would be getting it in, but they referred me to their "personal shopper" service, who will contact me later today.
And, finally, Sephora will be replying to my question later today as well.
I'm keeping my fingers croosed, but I'm not holding my breath.