I still hadn't had a call from them about our Segway tour on Friday, so I popped into Epcot Guest Relations this afternoon to check. They checked my booking and it was already listed as Cancelled/Refunded, but no one had called me (my cell number was correct on the booking).
I tried to find out what is going on, but they were being VERY cagey with information. They did hint that the tours might come back relatively soon (they asked how long we were staying in fact) and that the issue was a temporary technical/backstage one, but that it was definitely NOT with the Segways themselves, or with cast member availability.
They would not commit any further as to how short-term or long-term (or forever) it might be. They were very apologetic though, and made us some alternative arrangements.
Andre