If you get the chance to take some puffs on a good one, you might change your mind. And many are compact enough, you can use them in public and people can't tell them from ejuice vapes.
i only tried it once and never tried again, I'd never pay 150$ for a vape... my wifey bought me a sweet water bong with percs,shower-heads, the works for around 80$ that was a better deal I think!