The design of the Herbalaire has a blocky air pump with a tube going into the main heating unit. i think this design is pretty clumsy. the Extreme Q has everything all in 1 unit.
While I appreciate the response, akaye47, and while I don't want to invalidate your reasons, for me, and I would think for many here, there are many other things to consider when making the decision between the HA and the Q, things like:
Breakable parts
Ease of maintence
Efficiency
Quality of vapor
Cleanliness of air path
Quality in all modes of delivery
Reliability
Modes of delivery
Sound of vape in operation
How quickly does it fill bags
How many bags can it fill at one time
etc etc etc.
One thing to mention though, is that the HerbalAire does such an efficient job at vaping your herbs, that it is suggested in the owners manual NOT to grind the bud, but just to put in the whole bud. And from the reviews that I've read, it vapes that whole bud..........entirely. Don't know of many other vapes, if any, that can do that.
With all that being said, there are many who purchase a vape based strictly on aesthetics. It's one of the reasons why the PAX, as an example, is so popular, and what I don't want to do is to imply that those people are wrong in doing so simply because we all have different priorities and to me, they're all valid.
Just wanted to add a bit of perspective here.