Extending exceptions.. and loading libraries?

[eluser]awpti[/eluser]
Ahhh. That makes sense then. I've been trying to follow the execution path for codeigniter, but I'm so busy at work today, I keep having to start over.

I'm still going to need to get an instance since the view library calls get_instance().

Is there another way I should approach this? I've never really seen a cover-all post on how to catch 404's and handle them yourself without over-riding the show_404 method - which in and of itself seems limited since it seems to get called before controller/superobject wakes up.