owd, "As for F-T, if there is a 400k installed base, why order only 4000?"
The company stated that the initial order was 4000 but based on interest generated at CES, doubling of that order is expected.
They can always order more should they meet with success, and, this is their market alone...an already existing ECLIPSE consumer base, not unlike selling MAC users ipods.
And the potential is quite real, and that's why people like you hang around, ready to jump on the bandwagon.