Not too sure what resolutions people have come to, but I have an HP
dv1245dx laptop with an ATI Radeon 3200 HD integrated. I could
hibernate/resume fine, but suspend/resume resulted in non-functioning
keyboard and touchpad. The fixes above didn't work for me -- however
manually typing in the unbind/bind commands did work if I did it twice.
(Inconsistently.)

However, I stumbled upon wisdom from this thread which did solve the problem 
for me, without creating a script in /etc/acpi/resume.d/*.sh:
http://ubuntuforums.org/archive/index.php/t-1038898.html

Basically you add "i8042.reset" to the /boot/grub/menu.lst line which loads the 
kernel. I described what I did specifically in my post here:
http://ubuntuforums.org/showpost.php?p=6653249&postcount=15

I wondered if this fix may seem more "global" and may resolve the issue
for those people here, including the ones about the opposite effect
happening?

For further info, I'm using fglrx (8.12 ATI drivers) and have disabled
composite and AIGLX in my xorg.conf file.

-- 
i8042 unbind required for keyboard/mouse to be useable following suspend/resume 
& hibernate/resume cycle
https://bugs.launchpad.net/bugs/23497
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