So are these things that shouldn't be memorized at all?
You just do them as the ECAM states?
Nope, don't memorise them ever, the ones you try to memorise will probably be the ones modified by OMN's or OEB's.
As Bobitka says, memorise the memory items, the clues in the name!
Aside from the 'standard' malfunctions the 'Bus has the ability to go wrong in a multitude of ways that the ECAM wizards haven't figured out yet so knowing the systems is a definate help!
As for the Boeing, give me the 777 electronic checklist every time, never seen so much dust on a QRH before.
JMHO!