I am tired of slow load times. The ratio of bytes loaded to load time should be very close to the I/O throughput of the machine. If it is not, somebody is wasting my time. I am tired of programs not stopping immediately, the instant I click the little X, because somebody is traversing a large reference graph and doing lots of itty-bitty deletes. I am tired of seeing progress bars and splash screens.
As a developer, I am tired of my IDE slowing to a crawl when I try to compile multiple projects at a time.
As a citizen of planet Earth, I am tired of all the electricity that gets wasted by organizations who throw hardware at software problems, when a more efficient implementation might allow them to consume much, much less, and spend less money powering it all.