Re: Fed's QF streak has ended.
I'd be excited if either Tomic or Raonic were to beat him as it would, ultimately, be good for the game to see a younger player coming through in the majors and beating the elite.
Mind you, neither have quite the aesthetic appeal of Federer circa 2001 when he beat Sampras at Wimbledon to signal his arrival as a future major winner.
I agree with others here, though, that it is more likely he makes the semis than not. The shame is that I can easily see he and Murray cancel each other out in a grueling semi-final while Djokovic strolls through to the final.
Djokovic really doesn't need any extra help in Australia, and it could make the final rather one-sided...