I use the Vanilla Tahiti regularly. One of my favorite mixes is something like this (I change it sometimes for variety):
2% a lighter SC tobacco (MLB, zhongonhai [sp?], 555, etc.). Usually I use MLB.
1% a richer SC tobacco. Usually Dunhill. Sometimes Winston Churchill or Fr. Pipe
2% Vanilla Tahity
1-2% CAP Hazelnut. 1% - it adds a subtle something. 2% - you start to notice it, and it makes the tobacco a bit froofy (in a good way, if you like that sort of thing.)
Any tobaccos would be fine, but the hazelnut has to be CAP. The others I've tried aren't at all the same (not nearly as good IMO).