Speed improvement of gnome-terminal

[Geetha <egeetha novell com>]

There are concerns about the gnome-terminal speed. The display and
refresh are a bit slow. 
The gnome-terminal uses libvte backend.
I rebuilt the gnome-terminal with libzvt(2.0.1-54.2) backend but did not
find a significant speed improvement (thought it was faster). Further
zvt does not provide i18n support. I downloaded the latest cvs zvt and
rebuilt with that. But that seemed slower than vte.
To improve the gnome-terminal speed there might be some optimizations
which could be made on the backend libvte. Any other thoughts on this?
Do drop in any suggestions for improving gnome-terminal speed...