My wife and I both have Atmos2 consoles. They've been reliable, easy to set for gas, and easily understandable while underwater. Actually the easy-to-understand part was a big selling point.
The quick disconnect was an item I was really uncertain about; it has been great, however. On live-aboards, or on shore for that matter, it's easy to disconnect the console and carry it to a couch for logging the day's dives. When pressurized, I can't disconnect it, even if I try hard.
The algorithm provides more NDL time than the Suuntos. For us, the profiles generated have been very safe.
Dislikes: the ascent rate alarm will go off at the drop of a hat, and the alarm is really faint.
I would buy these computers again for recreational diving.
All the best, James