I was looking around on the web and found some pics of a college group that had been upstairs in june of 2005 in the journey to imagination building. Pin tables are still there as well as the stage that used to put you into the adventure with dreamfinder, and the sensor color tunnel!
http://www.eco.utexas.edu/graduate/Heutel/Disney/
http://www.eco.utexas.edu/graduate/Heutel/Disney/