Just wanted some general comments about it, i.e. what you enjoyed/disliked, work load (particularly if you plan on finishing it within 2 years), flexibility, etc. Basically, anything I couldn't infer from the handbook on the Monash website.
It seems like an ideal course to me thus far, so I'm particularly interested to know of any noteworthy drawbacks. I'm looking at doing the course with a major in theoretical physics/astrophysics or mathematics. That I can focus solely on that area without other core requirements/breadth subjects is very appealing, not to mention the possibility of completing a BSc in 2 years.
Entry requirement is a high ENTER, which roughly translates to 'high competence', not necessarily high level knowledge. Whilst completing a course within a shorter time-frame is notable, you do run the risk of rushing things and missing out on a lot of fundamental and specialist knowledge.
It is a very good degree, but you most probably will stay there for the full three years, the choice of what to learn can get overwhelming, and you'll realise 2 years is very short for what you want to achieve. Have a look
here for some idea.
You will also find that, if you want to continue on to research, the wall that separates different disciplines of science becomes small, and you start wishing you have studied a broad range of disciplines rather than a strong specialization from the start.
Try to think of this degree as... a scholarship, more lenient course progression and a greater degree of interaction with the academic staff.