I would recommend the Volcano Vaporizer. I've had it for a couple years now, and still don't have a legitimate complaint. The cleaning and replacing the bags are a pain, but that goes for anything you would use.
You will get a different kind of high. My first time vaporizing was like I hadn't toked in months. However, just like smoking, I eventually became used to it. So, don't buy it just for the return of the high feeling. The only way, which I am aware of, to get more of that high feeling back is to stop doing it for a while. That's what I'm doing now. I found myself just vaping through all my stash, and feeling less and less.
You should get it for your health, though. Since getting mine, I don't have the phlegm that I had with smoking. You will get more THC out of vaping, since you're not burning the herb. Best of all, your lungs will be in better shape.
It is a big investment to get the Volcano. But, I've yet to hear anyone have a legitimate complaint (other than cost) about the Volcano. My local shop can't seem to keep them in stock.