When Sony announce its 13.3" writing slate several years ago, it cost a princely $1,100.
Far from being your average ereader, the DPT-S1 has a laptop-sized screen, two touchscreens (capacitive and stylus), Wifi, a microSD card slot, and 4GB of storage.
It only supports PDF, which based on my experience with a competing device is not such a bad idea. The 13.3" screen is so large that this makes for a great document viewer or a display for blueprints, but not such a great ereader.
There's no word on why Sony keeps cutting the price, but I for one am hoping that they are clearing the stock so that they can launch a second model.
But Sony hasn't shown any real interest in new ereader hardware for the past several years, so that is unlikely.
If you're looking for a recommendation, I would get the current model while the price is low rather than wait for a possible replacement which may not arrive at all (and will almost certainly cost more than $600 if it does).
If you need a document viewer, the current value can't be beat. I'm almost tempted to get one (and if the price drops again, I will).
image via Notebook Italia