And now the Ativ S Neo Factsheet is up on Sprint's Newsroom site.
http://newsroom.sprint.com/news-releases/fact-sheet-samsung-ativ-s-neo.htm
Still does not confirm sale date, or a price.
According to this article here, it goes on sale on Friday for $149.99 after $50 MIR. Frankly, I think it's too much money.