TRS-80 Fragmentation

[Fred Cisin]

>>> TRS-80 Model II and 16, 68k based "business" machines
>> The Models II and 12 were Z80 based machines. The models 16 and 6000 were the same Z80 based machines with 68k subsystems added via additional cards to allow them to run Xenix.
On Thu, 26 Apr 2018, Geoff Oltmans via cctalk wrote:
> D'oh!  I knew that. But still, even more fragmentation...

And, don't forget the Tandy 10!   (oops, too late, already forgotten)
1978, built by ADDS (Applied Digital Data Systems)
$8995
8080
48K RAM 
2 8" drives
ADOS

Did they sell enough of them to recoup the cost of the product 
announcement?