Robin LaFevers (author of Grave Mercy) has some great advice for writers who get stuck and the usual methods are just not working. Some tips are meant to prepare for the writing (so you have all the tools at hand), others are tips to help you just get the words on the page.
Post is here: Frog Marching The Muse
Also, she has chapter one of the sequel to Grave Mercy, available on her website: Dark Triumph.
Read, write, and for those of you doing NaNoWriMo, good luck making your word count goals.