I ordered the 128GB Silver Sim Free 6S Plus on Oct. 9 and received my tracking number today. There is a FedEx delivery scheduled by Apple for Monday 10/26. I ordered from AT&T one year and I'll never do it again. I could have went to China and picked it up myself before AT&T had it sent out.
As of this minute, Stonestown store shows that model in stock on istocknow.com
I was just grumbling about how trying to find a 6S plus 128 on Verizon was going to be a continued wait, but they're now available in store via Apple.com. Try another search to reserve for pickup via Apple.com
Thank you everyone! Unfortunately I just got out of work and couldn't pick one up today. I'm hoping since I'm off the next two days, I'll be lucky to get my hands on one! I've been checking istocknow.com every so often hoping that I'll be able to find a store close to me that has one in stock!