While I was at the space center, one of the tour guides mentioned this shuttle sale business. She said that a Smithsonian docent had visited and mentioned that they were going to be getting Endeavor soon. The KSC guide had resisted that notion, saying that she had heard of no sale yet. Apparently, they are pretty attached to the shuttles.
And that's understandable. Without them, and with the Orion project unlikely to get actual funding, they will be very soon relegated to the status of the European space center as a launch site -- sending up comm sats, weather balloons and not a whole lot else. And dreaming the years away recalling the glory that once was...