http://www.monox.jp/digitalcamera-sp-pentaxricoh-q7-all.html
(in Japanese)
via PFC (in Traditional Chinese)
Different ISO settings are measurbated. It is worth noted that NR does have effect at the base ISO of 100 already, if "strong" is selected.
And, there are more measurbations for all the Q system lenses, including distortion and resolution measurements. For instance, here are the 01, 02 and 02 test pages, respectively:-
http://www.monox.jp/digitalcamera_special_pentax01.html
http://www.monox.jp/digitalcamera_special_pentax02.html
http://www.monox.jp/digitalcamera-sp-pentaxricoh-06.html
Furthermore, a side-by-side comparison against the Q10 is also made:-
http://www.monox.jp/pentaxricoh-q7-1.html
(Above: Left Q7, Right Q10)
And this is the actual sensor size difference:-
Related:-
More K-50 and Q7 Stuff at Pentax.jp