I ordered 2 lasers from automation technology and both are working well. They are not the cheap 40w newly draw junk but a step up in quality.
60W CO2 Laser Engraving Machine, auto focus 24? X 16? | Automation Technology Inc
The controllers are still a step below the awc608 and require a stupid dongle. The hardware is at least decent.
http://www.glenspeymillworks.com Techno LC4896 - 2.2Kw Water Cooled Spindle | Moving Table Mill from Omis 3 CMM, 500Lb granite base | Epilog Legend 32 Laser Engraver