I purchased one a couple months ago to try my hand at incubating, and I like it very much. I had originally purchased the HumidiKit for it as well, but it was defective...had another one sent, and it too was defective, so I returned both humidiKits, and now just use the IncuView by itself, monitoring the humidity myself, which is working out just fine.
I just ordered my second Incuview over the weekend. So I now have 1 for incubating, and 1 for the final 3 days...I hatch out peafowl eggs, so for me, I don't have the luxury of setting all of the eggs at once
I love the open window concept, however, I wish there were more of an instruction manual on using the features. Thankfully, it's basically just a plug in and go! They boast a built in countdown, but I can't figure out how to use it, but for me, having scattered hatch dates, I really couldn't use that feature anyway lol.
The kids have absolutely loved being able to watch everything that happens from pip to hatch!