1st off I never understood why people used FFXIAH for help with windows related issues.
But here we go.
Copy windower into 2 different folders.
1st Windower
Setup all your plugin you want because the screen are different sizes. So everything is where you want it to be.
2nd windower. Change setting to 2nd display X and Y size
Use
http://forums.windower.net/topic/19468-windower-plugins-wincontrol/
Setup in your init file to move the window to the 2nd display.
now setup where you want all your plugin to be on the 2nd display. With 2 windower folders it keeps all the pos setting in different folders. Only thing you need to do is fully log into FFXI before launching the 2nd windower.
Wincontrol lets you move without borders.
I use some plug in that I have to set pos for to have them where I want them. IE recast is in my chat log, on the far right side. Playing at 1080p there is a lot of chat window not used. Luckly I play on 2 different 1080p displays so I don't have to move my plugins around but I still have 2 different windower folder so I don't have to type the wincontrol move 1980 0