How to prevent apps from stealing focus?

Question

Often when I am running an application in the background, it will steal focus from my active window with a modal dialog box that will pop up in the foreground. Invariably, since I can be a fast typer sometimes, I won't be able to stop myself in time and will often cause the modal dialog box to take some unwanted action. This can have a HIGHLY unpleasant effect! Especially if I've just found myself aborting unintentionally a long job because of the focus stealing!
I'd like to prevent any application from stealing focus from the active window. Is there any way to set OS X or the finder to prevent this? If not, are there any haxies that I can install that will have this effect?
(For reference, Microsoft Vista Aero doesn't allow an application to open a window or dialogue above the active window, unless it's a UAC confirmation dialog, which still only opens on a different display layer.)

Answer 1

YES AAAAAAAAAH THIS IS A REAL AGRESSION TO THE NERVES ! ! !
I need to meet the dude who decided "hey wouldn't it be a great idea if we had the applications bothering you all the time as soon as they need your attention, instead of just letting you get to them whenever you feel like it ? now where's my promotion ? ^^"
WHERE IS THIS MORON AAAAAAAAAHHHHHHHHHHHHHHHH
does anyone know of a 3rd party software that would keep each app where it is whatever happens to it ?
dammit