Well hello!
I think I can help, because MY search for epic vanillas began with the quest to find something as good as Blu's Vivid Vanilla. Even to this day, buying some of the highest priced and hand mixed juices, I STILL enjoy Blu's Vivid Vanilla. I SO wish you could get it in
juice form.
Anyway, here is what I have found to be close to blu. Ive found nothing which is identical, but thats no surprise.. NO two juices are the same.
High Caliber- Killa Vanilla. MyVaporStore has it in 50-50 and 100vg, Ive only had the 50-50, I will get the 100vg next time I order from them. Its very, very, VERY good. Almost has a rice krispy treat thing going on in the background. Its not cake, its definitely vanilla, just has a little complexity on the exhale which will have you chasing the vape around all day. This is my favorite "Vanilla".
Highbrow Vapor- Vanilla Bean Decadence, as well as the other vanilla and Creme Brulee. Highbrow makes some epic juice.
Mountain Oak Vapor- Vanilla Dream. This is, to me, a very pure vanilla cream. This is very close to how a high end bourbon extract would smell like, not the everyday supermarket extract. Pretty solid vape for sure.
mount baker Vapor- Yellow Cake. Now, I dont like this juice. Its got, TO ME, a very nasty finish. However, its one of their very popular juices, got great
reviews on spinfuel.. I have an issue with most of Mt Bakers juices, there is only 2 or 3 which I enjoy. I will say, if not for the exhale finish, this would be damn close to mirror image of blu's vanilla. If you dont already have a dislike of Mt Baker, dont take my experience as anything more than a juice snobs arrogance. If this juice works for you, I think you'll be a damn smitten vaper. For what it will cost you, try it. They have like 5 other vanillas, a sweet cream, a bavarian cream.. prob 10 juices in this vain.. give em try see what you think.
Nicoticket- Custards Last Stand and Creme Brulee- Cult like Following. Been said to rival the epic and elusive Grants Vanilla Custard. Made by hand from in-house extracted vanilla bean. Ive still got mine steeping, but the smell is on point. These should definitely be on your list.