I got an offer on dec 4 and a lady I talked to on the phone from macquarie told me that the offer doesn't lapse but it is best to accept the offer to secure your place and you don't need to enrol until you're sure that's the one you'd like to do. If you get an offer later that you'd prefer, you...
My understanding is that the #1 ranked will get the top exam mark (assessment mark) and their own true exam mark (external mark); the average of the two marks will be their final mark. So, your rank is super important in ensuring a good final mark, but if your rank isn't flash you can still pull...