Experimenting with High ISO NR on the NEX-7. Usually when I shoot ISO400 in low light, especially with a dark to black background, I get a lot of noise, making many shots unuseable. Decided to switch the setting from Normal NR to High NR for a few days and see what, if any, kinds of trends might become noticeable. The only potential negative I can find related to the feature is that some minor amount of processing time might take place after a shot, making various burst modes of shooting a little slower or something. But if that's the only trade-off, the High NR benefit (for me) might be a good one with a lot of wildlife shots taken in low light...will soon see. Titmouse / ISO400 / High NR 'on' / regular Canon 300/4.0 (not L version), NEX-7 JPEG...still some noise but not terribly objectionable for a gloomy overcast day with a black background.