if the noise follows recent trends of becoming more filmy than blocky digital noise it will help greatly
as the noise from the newer sensors responds alot better to NR than the current 18MP range do
wickidwombat - I'm curious about the statement of noise becoming more filmy with new sensors. Can you point me to a place that I could find out more about this?
the 5Dmk3 and 1Dx for example both have increadably visually appealing noise compared to older tech sensors
while the quantity is still there the smother more organic nature of this noise means 2 things
1) the noise responds much better to noise reduction and allows much higher effective isos without needing to go to plastacine levels of noise reduction (unfortunately the in camera processing is way too ham fisted with its NR)
2) leave a certain amount of noise in the image because it still works well
the older sensors the noise is more digital and rapidly falls apart at high iso that no amount of noise reduction can really help without ruining the image
i feel the same amount of noise reduction in lightroom achieves a similar image when a 5Dmk3 is at 16,000 iso vs 1600 iso of the current 18MP crop sensors and 3200 iso on the 18MP is really a maximum and that is assuming the exposure is absolutely spot on there is no room for error
so while perhaps the quantity of noise wont change too dramatically if the QUALITY (for want of a better term) of that noise becomes more like the noise out of the 5Dmk3 or the 1Dx then I can realistically see usable isos up to perhaps 8000 (all subect to an individuals tollerance to noise and ability to process it of course)
which would be pretty kick arse especially with this sigma 18-35 f1.8 lens coming out (personally i see the wider effective DoF while maintaing the 1.8 speed advantage as a positive for this system not a negative)
there is the potential for a really kick arse low light system.
So in summary my main concern is more about how that noise looks more than the quantity of it
i mean an unedited raw from a 5Dmk3 looks noisy as hell however once its processed well the images are very clean vs the 5Dmk2 which really the limit is somewhere between 3200 and 6400 depending on taste and at 6400 iso the mk2 is really quite digitally and blocky compared to the mk3