This report is from today's London Independent. The source is the latest issue of Nature, so there will doubtless be other reports.

Update from Razib: Carl Zimmer and John Hawks have much more.

One point that is really confusing about the Hobbits is their small brain size. Consider the graph to the left. Human (hominids) brains keep getting larger, come rain or shine. The Hobbits, if they truly are what is claimed, radically reversed this trend. Convential explanations of island ecology seem a bit weak when set against this almost inevitable encephalization that seems to have characterized our lineage.