UI that allows font size change for ALL windows?
 

Right, I've got my gaming PC rigged up to projector at 1920x1080 but the standard UI doesn't allow the font to be changed in most of the windows (for example in the Broker, Persona, Inventory and Quest Journal windows)

Chat windows are fine but I need to be able to change the size of the font for _everything_

So, is there a fairly simple UI that I can use that will allow me to change the overall font size to make it slightly larger?

Well you could always create a custom UI directory with associated eq2.ini. Drop in a copy of the default FontStyles.xml. Then edit that to bump up the point size of each font style.

The problem with this is that the textboxes containing the text may not be large enough to accomodate your larger font.

I would like to change the font sizes too, but I cannot find the fontstyles.xml in the default directory. There is a eq2ui_fonts.xml.

Yep, that's the file.