as a former smoker(who quit cold turkey about 8 years ago), i find what i miss the most is the Menthol. i swear i was more addicted to it than the nicotine.
in the last year, i've had the occasional moment of weakness, and I've tried 2 different brands of the Disposable e-cigs, Blu, and N-joy. of the 2 blu hands down. you can definitely tell where the 2 companies spent their r&d money..
the Blu "Magnificent Menthol" while not exactly what i got from my old Marlboro Milds, is...nice...to that part of my brain.they don't look 100% like a cig, all black, w/ a Blue LED light on the end that lights up when you inhale.
The N-Joy people apparently spent their r&d budget on the appearance of the thing. it looks like a regular cig. even the LED on the end is a red/orange, and they've even painted little white "ash lines" on/around it.
but as far as taste/sensation, 0 on a 1-10 scale. no feel of anything coming in, and the only flavor i caught was as an after taste.
yes, they do both contain nicotine, apparently to get the nicotine free Blu's, you have to actually by their kit, and you can get nicotine free cartridges(a freind of mine gets the Nicotine free Pina-Colada), but the Disposables only come in nicotine var.