Some recent YouTube videos I found.You can see some video of the rocket sleds testing - and look, the two upside down astronauts on the giant spaceship are gone!?
[ame="http://www.youtube.com/watch?v=sxNfNyB24-g"]YouTube - Space Mountain October 20th, 2009 Cars Testing WDW[/ame]
Second video shows the work on the outside courtyard area - I HOPE that's a fountain they are placing, not just another tree planter!
[ame="http://www.youtube.com/watch?v=v5c_knjiAfY"]YouTube - Space Mountain Outside Construction, October 20th 2009[/ame]