I myself bought 2 Indivision ECS units + the A1000 adapter board a couple months back from AmigaKit - while everyone was asking "When are the Rev 2 Indivision A1200/A4000 boards coming out?" :p
Still haven't installed them because I discovered the Denise+Paula sockets on my rev 4.5 A2000 weren't flush with the motherboard when the machine was built, so I'm replacing the crap DIP sockets with machined-pin ones, this should also make the Indivision fit far better. The grounding lug for the little ECS board is a very tight fit since its jammed against the video slot in the rev 4.4/4.5 A2000s.
The build quality of the these little boards is very high as typical for Individual Computers products.