I could be mistaken about this, but IIRC, a risky bet,
but ...
wasn't the ZX80 a
<$50 proposition back in the '80's and the '81 slightly less, on the order
of
$29.95? 
        Actually the Zebra price is right inline with what one could
buy an assembled TS-1000 for in '82.  I remember the advertisements
for it showing a price right at $100.  I can't see them dropping the
price for the unassembled kit that much though, but I don't remember
what the price for the kit was when it was new.
        Jeff
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