Yes, someone has a blog going...
Update - two simpler links.
To the cruise ship Serenity -
http://www.sailwx.info/shiptrack/shipposition.phtml?call=C6SY3
And to the Ernest Shackleton, the supply ship/icebreaker mentioned in the article which seems to be heading from the East to meet the Serenity.
http://www.sailwx.info/shiptrack/shipposition.phtml?call=ZDLS1