I'm sorry Chris, You're wrong.
If a page is complex and large enough, the client machine will die just trying to render it, long before the visitor has a problem with patience. Trust me, I've done it.
It is not wise to trash visitors machines, they tend to get a little upset with you.
I agree with your last statement though, structure the data in to sensible sized pages and life is simple and everyone is happy.
Trojan.