I was going to take the IIUC in December and even purchased some hardware, (ip phones, FXO/FXs cards and an AIM-CUE module). However, it appears that I've been instructed to delay those plans and focus on Microsoft certs for now.
Anyway, according to the current ICOMM page at Cisco, the new exam will cover the following:
Cisco Unified Communications Manager, Cisco Unified Communications Manager Express, Cisco Unity Connection, and Cisco Unified Presence
Well, looks like no Cisco Unity Express. Does that mean my AIM-CUE module was a waste?