Television Without Pity (which I truly adore anyway) has the most beautiful recap of Serenity. And I do mean beautiful.

TWoP recaps are not without their share of analysis, and this recap isn't without it's share of snark, but this is really one of the most lovingly crafted write-up I've every read on TWoP. Far beyond a simple movie review, it really highlights the themes and symbolism, some of which had gone past me the first time. Plus, the prose is well crafted.