Samples are full size originals:-
http://dc.watch.impress.co.jp/docs/review/newproduct/20101216_414636.html
(Japanese, English Page Here (machine-translated).)
Well, I think the samples this time are better, at least better than those posted by Ned Bunnell previously! Why? Sample variation? Or, it is just the problem of Ned? (Just because last time his photos were RAW converted..)