Unicorn blood by Fuzion Vapor is my favorite to drip with. Super fruity, but not sickening sweet or over powering.
Fuzion Vapor, Alice in Vapeland,
alien Visions E
juice, J-Vape's, Heather's Heavenly Vapes, Indigo, The Vapor Chef, Ms. T's ...Mt. Baker, Pink Spot.. Flavor is pretty relative, and I left a lot of great vendors out. I'm not too keen on the last two, but many other people are..
I would send you to the liquid discussion, but it is pretty cluttered.. I'm surprised you're using a REO and asking this.