Ha, yes! There have been a few things I've smelled in this quest that have invoked a very specific sense of time and place -- in some cases bringing back memories and experiences I thought I'd completely forgotten. (I do not have a very good memory.)

I'm bidding on an imp collection on eBay right now that has something in it that might work for Midgar. Mind you, it's an extremely discontinued, extremely rare scent that regularly goes for a lot of money when bottles of it even come up, so in some ways I'm hoping it won't work. Heh.