Horror Publisher, Blood Bound Books, has an open submission call for novellas, novelettes, and novels. 10,000 to 80,000 words. The deadline is October 31.
Then on November 1 they open for submissions to the third volume in their popular anthology series "Night Terrors". The deadline for this call is January 1, 2013.
You'll find the details for both calls here http://bloodboundbooks.net/bloodboundbooks/?page_id=26