What I heard from C4U is that they leave you alone in front of your computer screen during the whole theoritical part of the course, which is a shame, especially for a 1st Type Rating.
It can make a real difference to have instructors available at any time to answer your questions.
Not true. First there are two gentlemen running the place and two ladies doing the administration stuff.
The gents are both pilots. One is actually on the line and the other is the Head of training with lots of ratings including TRI/TRE, let alone the experience he had as a captain in AB.
Furthermore there are lots of other instructors at your service there.
I found that some of the A320 jocks were former B737 drivers, so you can ask any of them about any of the two aircraft.
Ontopic:
Basetraining at this moment is quite quick. Some of the students had to wait just 2 weeks to go onto the circuit training.