This depends on the resolution. I'm using 2k and 2.5k monitors and it would help in both resolutions to have as much as possible space for the content.
I really like the concept of this scrollbars (autohide, transparency, size, etc.): http://noraesae.github.io/perfect-scrollbar/ -- <http://forum.pspad.com/read.php?2,62017,62084> PSPad freeware editor http://www.pspad.com
