We did have a few problems but simply tilting the monitor or adjusting a light usually took care of it. I found it was something we could work around. We were using plasmas which gave a glare anyway so it was a problem with or without.
I also used a glue and water solution to attach the CTO to the monitor and if I got that smooth by using a squeegee it also helped.
But I agree if they ever made a matte finish that would be great
#Carbonite