I agree about the ERSA. The Jepps HAVE that information, but the ERSA is a bit more practical in the cockpit. I personally carry one Jepp folder (containing the AIP and plates for aerodromes I fly into), a company ops manual, and the ERSA.
YMMV.
Also, I have a laptop so all of the other documents, CARs etc, are available from the internet (only needed for reference on the ground.)
It sounds like you\'re doing your CIR at present, you need access to the CARs and other CASA docs for the exam but not for the flight test.