"I discovered my fight scenes need a lot of help. Seriously. Simply not writing them isn't an option. What would be the fun in that? I set up a Google Alert for "fight scenes, writing." Below is a list of articles I found helpful. I'll keep adding to this. Whenever I come across a good fight scene in a book, I write it down. I have a journal just for fight scenes."
The Dark treasury: writing fight scenes
A massive list of resources for writing fight scenes