Completely agree.
Upgraded to ICS today... nighttime fast approaching, so looked around for how to configure just like gingerbread: SMS Notification audible, Phone audible.  Email etc. just vibrate.
Don't seem to be able to do it.
WHAT WERE YOU THINKING GOOGLE!
Don't be Evil !!
(anything that wakes me up (or stops me waking up when I need to) is evil.....
:-(