Great for hands-on types who enjoy the process, and among the best coffee you‘ll taste
Positive Product Points
Way cool to watch; good, clean coffee
Negative Product Points
Delicate; tempermental; not really cheap
When I jumped into vac pots, I did so with both feet. I actually acquired three Corys and a bunch of parts in the same week, all from eBay, all in the neighborhood of $35. All the units were in great shape (NIB, in fact) with gaskets in good condition (very important).
My first pot was a disappointment. The water went north and stayed there. For fifteen minutes. Turned out I had a poor seal. I corrected that in later attempts, and was rewarded with great coffee. Unfortunately, I had taken to mating the vessels with too much force, and broke a pot. Good thing I had more. Be careful with these units, they are delicate.
I now make great coffee on a regular basis with this unit. Things that matter (in addition to the obvious bean and water quality): grind and amount of coffee, mixing in the upper vessel, length of time steeping. I find that the Cory tolerates a wide variety of grinds well, and you‘ll just need to play with the quantity, steeping, and agitation to achieve the taste you like.
I think the Cory is terrific, but I recently acquired the gasketless version and I think I‘m going to like it better (check for a gasketless review in a few weeks). But they are more rare and sell for substantially more. Overall, I recommend this particular unit for people who enjoy the journey as much as the destination. It is *not* for people who like the convenience of a drip maker, wake timers on their machines, etc.