Personally I think the 720p AMOLED screen in the Note 2 was where AMOLED became good enough and the newer 1080p screens are certainly very good, though they're not going to be as bright as a good IPS screen.
One thing I do like about AMOLED screens are the smart notification features being added by OEMs where only part of the screen is lit up, even when the screen is 'off'. This way messages, time, etc can be shown without having to click on your phone and with minimal power draw.
I think the current gen 1080p screens, whether it be IPS or AMOLED, are like the C2D CPUs - reached a point where they're good enough for basically anyone and there becomes less incentive to upgrade based upon that one feature.