@DiondP I was told 20th October also by MAC Paddington.
I'm pretty sure FNF was only available very briefly online, I got an email from MAC about the collection around 11am..
I had googled some more swatches of FNF and decided to buy it, but by 11.30am it was gone. I have a feeling they had barely any stock.
I'm pretty sure I checked around 9.15 am on my way to work and no FNF was listed at that time online.
I might check the in store release out next week, but I am not as excited about this collection as The Matte Lip.
Good luck!