Interesting, I am a 100%VG guy now due to allergies to PG. I vape mostly AVE. AVE's 555 does not have a sweet taste to me :).
However, Boba's, Gorilla, Bees Knees, and Havanna Gold (slightly sweet) are all on the sweet side. Blend 4, 555, Flue Cured are not (to me).