I would argue that if the condition is "really long and boring", then it is *more* important to have braces and whitespace so it is easier to see where the actual action being taken is at a glance. The only one you mention that could work for me is:
in reply to Re^2: Perl oddities
in thread Perl oddities
Unfortunately, that's at the expense of putting the cart before the horse IMHO. The action doesn't matter if the condition is not satisfied.
My mission: To boldy split infinitives that have never been split before!