To actually GET extra view space - take a look at this link:

http://www.dual-boxing.com/forums2/viewtopic.php?p=1893

You have to "zoom out" by changing the camera view. You can see literally half of WSG with a setup like that

And since players in instanced PvP are always in view.... it could make it VERY easy to see all or nearly all of WSG (from a distance). You can change the settings via hot keys too.