I think this map deserves much more than the 3.1 rating it has as of the date of this review. It is interesting, treats a unique subject, has excellent chokepoints and good balance. Long distance connections promote good circular flow. While I have no clue what Mk-S means, I can confidently recommend this map to gamers of all stripes.
Also, to be overly technical, Antarctica is surprisingly not that snowy. While ice-covered, very little precipitation falls there because of its average altitude and because cold air holds very little moisture. :P