To The Syntax of ThingsA modern AU of Merlin, in which Arthur pretty much stalks Merlin.
Go fucking read it now, because oh my god it's hilarious and just awesome.
And Will's in it and he's a scifi nerd and Vivian's a gossip and Gaius...even if that man doesn't open his mouth it's just so in character and hilarious.
So go read now, k?
I don't rec fic all the time, so when I do, you know it must be awesome.