I run 2 - 23" monitors and yes I still keep line length to around 90 chars or less usually. Mainly because I still go mobile on my laptop and it helps to have

I run 2 - 23" monitors and yes I still keep line length to around 90 chars or less usually. Mainly because I still go mobile on my laptop and it helps to have source readable on smaller displays. Not that I probably still couldn't go with longer line, so it is just a personal cut off nothing more.