well, i guess that rolling shutter issues are common to all cmos sensors cameras (including the red, and i've got some direct experience with that) not just d-slrs. i've read that the firmware you mention is due to be released by mid-march and should also sort out the problems with the audio auto gain.
anyhow, for the actual shoot i've strongly adviced the production to go s16mm (well, for me nothing can really beat film's reliability) and that's what we will adopt...but i'd like to use the d-slr as a b camera and for the recce...so my assumption is that at the moment you'd consider the mark ii as the most reliable one on the market, correct? therefore in this domain the mark iv does not really improve anything, right?
The rolling shutter issue is not the same on all cmos chips. The phantom is a cmos chip camera and it has a global shutter. The red is not global but they speed up the shutter so it's imperceptible on all but the most extreme events (eg camera flashes).
It is much worse on dslrs, and you will notice it on most vigorous horizontal camera or subject movement (cars driving past, quick pans). Philip Bloom has some tests up comparing the 7d and 5d rolling shutter. I'd say the 7d is very slightly better. It could just be a result of the smaller chip though.
I don't think I would consider any of the dslrs reliable - although they can make pretty pictures despite their issues.
I would expect the 1d to be 'more reliable' because they have had more time to work out the kinks of their video issues, and it's a heavy duty professional journalistic camera.
Why not save yourself some money and get a 7d though?
Edited by Mathew Rudenberg, 02 March 2010 - 07:16 PM.