I just ordered the Mist King Starter Kit a couple days ago and I'm expecting it to arrive within a week.
I tried the Zoo Med Habba Mist despite the poor reviews and found the reviews were very accurate; it just didn't work well. I only tried it because I had a 20% off coupon and knew I could take it back to PetCo if it didn't work for Rico so it was worth a shot. In the end, it just provide any mist. It either squirted water or, if you closed the valve too tight, it dripped and there was no in-between no matter how much I fiddled with it. It didn't take me long to realize I wasn't going to keep it.
It's too bad really because Zoo Med is a reputable company with a lot of really great products so it seems to me they should be able to take the Habba Mist product, which is great conceptually in my opinion, (especially if you only have one cage to mist,) and improve upon it. Two things it could use:
1. Better timer system to allow it to be turned off overnight and manage on times to seconds without the need for an additional timer .
2. Definitely a better pump and/or misting nozzle combination.
I think having an automatic system is almost an essential if for nothing more than to provide your chameleons with a consistent environment and keep them healthy. I'm confident in my Mist King purchase even though I haven't recevied it yet because there's so much great feedback out there from members of this forum and on the Mist King website's testimonials.
Good luck!