nice looking set up. I disagree about the hiding spots, a little cover is ok but I wouldnt provide them with any hiding spots, you will end up with shy discus. the aim is to have them swimming around the tank and not hiding all the time so discourage this not providing too many hiding spots.
a school of cardinal tetras or rummy nose are a better option as tank mates than neons. however even this might not work if your discus were not used to having these fish around them. I had a group of discus juvies grow up with cardinals and they did just fine but a few months later when i added some new discus they went straight for the cardinals but after loosing nearly 10 they seem to have given up and left the remaining alone.
keep us posted with more pics.
Edited by Angelo, 01 February 2014 - 11:08 AM.