I'm a noob here, but I have read on this forum that the best, cheapest, and strongest menthol juice is home-made from easy-to-get pure menthol crystals. Grind them into powder, add a SMALL amount to your juice, and swirl it around to fully dissolve the crystals. You should search for that with the forum search and read up on it, because I've never done it.
Also, the strength of the flavor is in large part dependent on learning good vaping technique. I'm still working on that.
Here's something else to think about:
I'm a menthol smoker (used to smoke about 3 packs of Kool Filter Kings per day). I've been using the Johnson Creek menthol, (NOT mint) and it's pretty strong. I read on the forum that mixing a little Vanilla into the Menthol gives a better "throat hit", so I ordered a little with my first juice order. Here's what really surprised me: I freakin' LOVE the Vanilla! I can't wait until I get my next order. I'll probably mix a little Menthol into my Vanilla!!! My point is that you shouldn't be afraid to try some of the stuff you don't think you're going to like. You may find that the Menthol isn't as important to you as it used to be.
Oh, and BriDog67 is spot on: Regular cigarettes will start to taste like dry, burning trash once you get used to the vape. I've gone from 3 packs a day to about 5 or 10. I have no idea why I keep wanting them, they're awful.