high quality.ws names are definitely something to look at (long term) for developers. Not sure what they are doing on the open market. Someone said that "Reservations.ws" sold for $400 on Afternic, which isn't all that bad. I've already had a few offers on my "Database.ws" and "Retirement.ws" names, which I am not selling so there is interest there.
As far as US sales, it would seem that "private" sales are doing better right now than auctions. If you have some decent .US names, you may want to try and contact "end users" directly. Mind you, I think "Decent" is all that's moving right now.