Thats all simply a function of the lightning fast hardware that even a low end x86 machine has these days.
And that's bad because?
A simple thing like pulling down a menu in my multi-core, multi Ghz, mult Gb ram Ubuntu system, and the menu contents are drawn more slowly than a 14 mhz 2 meg A1200.
LOL. Really? I can't say I've noticed the same problem. Quite the reverse, actually On my 040, with 256MB ram and 8MB Permedia 2 graphics card, I notice that a simple thing like closing a window demonstrates how slow the old hardware is. I can see the workbench background image redrawing to fill the area where the window was. The only way not to see it is to use the default grey background.
Its "sticks" as i go across the menu bar and the next men u is drawn and populated and the old one erased Move your pointer down the menu bar a little faster, and the selection jumps over the menu items as the OS can't keep up with the pointer. FFS it just FEELS shit.
Nope, I don't even get that on my single-core P4 work machine with just 1GB, which is running fedora 10 with gnome. That's a lot less horespower than my home machine.
Perhaps there is some small persistence, there's no way really to be sure on this monitor. However, even if there were, unlike the default OS 3.x install, opening a menu does not lock the entire screen until the menu is released. Overall, a fair trade off, if you as me.