I know there's a whole long street full of restuarants (deserts, asian, japanese, thai etc) right near the uni. There's also a shopping centre (eastgardens) not too far from kensington. It has Coles, Woolworths, a cinema, everything.
Ultimately, how enjoyable the experience is depends on how good the lecturer you get is. I suggest going with a few friends.
Also they almost always go overtime so they rush the end meaning you have to read the notes yourself at home. I would say it was helpful to some extent, if you...
Sometimes it specially tells you to trace/copy the diagram. I dont think they do it in the HSC but I've seen in trials that one mark is actually drawing the diagram out.