I've Got a Rock n' Roll Life - osaki_nana_707 AU. Arthur is a concert violinist at a prestigious arts college. His best (and only) friend Ariadne convinces him to come with her to a rock concert, aka his worst nightmare. He does seem to be quite taken with the charismatic lead guitarist though... or rather, the guitarist seems to be quite taken by him.
La Vie En Rose -diceandpokerchips AU. College student Arthur and drop-out criminal Eames meet on Twitter, and strike up an unusual friendship that eventually turns into more. Rated for language and sexual content in later chapters.
I've Got Nothing To Do Today But Smile (The Only Living Boy in New York) - gyzym Arthur's a corporate lawyer, Eames owns the coffee shop across the street, and all good love stories start with a quadruple shot latte.
Glitch - Tabi_essentially Arthur wakes in a hospital with no memory of who he is or how he got there. All he knows is that someone messed him up pretty badly, and his dreams are violent and terrible. After weeks of wondering why no one has bothered to look for him, he just about gives up. Eames is the one who finds him. They have to discover what a mysterious group of people did to Arthur and his former team to make dreaming so dangerous for them.