Rocky V was previously released on DVD in R1 as part of the Rocky Collection DVD Box Set. In terms of features, that disc was much the same as ours.
This year, the Rocky Anthology DVD Box Set was released in R1.
The Region 4 DVD misses out on:
The Region 1 DVD misses out on:
I would favour the R1 box set, but only marginally. According to a few sources, the 5.1 mix isn't that different to the Stereo surround mix.