TwinkleToes, did you actually ask at the counter in Woolies? I got mine there in my local town (sorry, down South, so not much use to you!) the day the film came out, and it was on a 'buy one CD, get second half price' promotion. The CD boxes on the shelf were like the ones singles come in, but when I took mine up to the counter they produced the full digipak from a drawer. I couldn't see the other CD I wanted, so I asked at the counter and they couldn't find one on the racks either, and produced that from a drawer too, so it might be worth asking, as they should have copies in as it's part of their promotion, but it could be tucked away and not visibly displayed if they haven't had time to put the dummy cases back on the racks.
Sorry, rather convoluted reply there!
I got the full-length/special edition CD, which has nearly all the dialogue on as well, I think it was