I bought the first one. The download screen looks like (attached) and gives you the option to "link" to a store account. For the moment, I declined to link to B&N since I don't know what that means -- I opted for direct download, which gives you an epub.
It's running via epub preview in Calibre; I searched for my name and found nothing. (Yay.)
Booting it up in Sigil, no mention of my name there either. Nor the last four digits of my credit card.
Dare I hope they gave up on the watermarking entirely?
Very exciting. I'm off to buy the rest!
ETA: Not sure how I feel about that
Remaining Personal Downloads: 7 thing at the top, though.