http://dc.watch.impress.co.jp/docs/review/weekend/20101203_410865.html
(in Japanese, Google-translated English page here.)
The lenses used are the excellent FA 43 Limited and the DA* 16-50. Frankly, I am NOT impressed indeed. The skin tone does not look pleasing than my like.. :-( This is really quite an exceptional case amongst most of Kazuhisa's girl photos, which usually look nice to my eyes, no matter technically or artistically! :-) To compare, see what the 60D produced for the last month:-
http://dc.watch.impress.co.jp/docs/review/weekend/20101126_409105.html
Or still unconvinced, just look back at all those photos took by Kazuhisa with the K-7 and K-m previously:-
Kazuhisa Nishikawa's Latest K-7 Samples
Some "Better" K-m Large Size Sample Pictures ;-)