Having played neither, but having seen the reviews for both, I say...okay.
From what I've heard, Last of Us sounds like the deeper game, with a more mature story, but that doesn't automatically mean more fun. In fact, I've heard quite the opposite; that the very things that make it a good story make it difficult to play. Either way, it's cool to like what you want.
Honestly, I have more fun with Sonic the Hedgehog (2006) than Sonic the Hedgehog (1991), so I can't talk. :P
I believe in honesty, civility, generosity, practicality, and impartiality.