This started as a oneshot, evolved into chapters, and now I've cut it back into a oneshot again. Apologies, but I didn't have the time or the inspiration to keep going. :

What if Addison had never slept with Mark? A competely AU Meredith and Derek fanfiction. Also posted on the GA fanfic boards. Yes, obviously MD.

New Summary! Meredith disappeared and left Derek a dark, broken man. Everyone had assumed Meredith had left to escape her problems. Did Meredith really make the decision to leave? Or did something else happen that was out of everyones control? MERDER

Affair, downfall, tragedy. Whatever you wanted to call it, it pushed her to her breaking point, and she had to get out. So she ran to the one place only Derek could find her. But would he come looking for her? An epic tale of MD angst, sex and true love.

Mer ignores her heart and picks Finn, who seems great...until he becomes possesive and abusive. Derek, left bruised and angry, might be the only person who can help her...if he lets himself notice. MerDer, angsty. NEWLY UPDATED FEBRUARY 24

A look at what happens when MerDer fall into a tangled web of angst. When they are pushed to the breaking point, will they follow their hearts or continue to damage each other? Slightly AU after 2.24 by a first time fanfic writer. Updated with Chapter 6!

Post S2. This centers on Meredith and the crumbling love triangle she belongs to...it's rather angsty. Completed!

Destructive, unstoppable, irresistible. A train wreck of a love story. Post S2, MerDer. Final Chapter Up!

Meredith and Derek discover what is worse: the pain of keeping secrets, or the aftermath of the telling. Set in early Season 2. Decidedly MerDer. Completed!