Originally Posted by sitlet
Yes and no. The two screens (epson and nova) are incompatible with each other, yes. But the hardware numbers do not have anything to do with what screen you get. We have seen hardware versions 02 and 03 have both screens.
This is correct. Only a MAJOR REVISION in board design and components warrant a hardware version change. This is not like a running change that car makers do for improvements. HW version 2 units are not interchangeable with HW #3 units, HW #3 units are not interchangeable with #4 units etc.