I found it easier than the IR training. A320 is really easy to fly...just monitor and read the ECAM, actions are written, then press the red illuminated PBs..
I had the CBT and all the manuals several months before enrolling the course, it might be the reason why I found it really easy. I heard the 737 is more difficult.
The hardest part was to wake up at 1:00 am for sim sessions.
What I disliked: The X channel was not free at the hotel...