Below is the link to the trip report I wrote for mouseplanet about taking a child with autism/PDD to WDW. It finally appeared this weekend. Hope it is of some help to others!!
http://www.mouseplanet.com/dtp/trip.rpt/report_files/wdwtr03/marks03au.htm
http://www.mouseplanet.com/dtp/trip.rpt/report_files/wdwtr03/marks03au.htm