I just read this update from NaNoWriMo, which has me even more excited to finish:
As a 2008 winner of NaNoWriMo, you will be eligible to receive a free proof copy of your trade paperback book. Details will be posted here and on the “I Wrote a Novel, Now What?” page on December 1.
This offer is sponsored by CreateSpace. So keep pecking away to get a proof copy of your manuscript for free!