Standard LateX editors are optimized for small screens. But we are in 2012 and have big screens and your next monitor or laptop screen will likely even have larger resolution. The eclipse-plugin Texlipse takes advantage of this and provides an IDE for editing LateX documents with a real-time preview.

TeXlipse: Eclipse IDE for LateX

So, unless you have netbook, get the plug-in at http://texlipse.sourceforge.net/.