ABCNEWS.com : Close Races to Decide Senate Control

With less than 10 days remaining in the campaign, as few as two dozen House seats out of 435 appear to be seriously competitive, according to public and private polls and assessments by strategists in the two parties. Democrats would need to win roughly two-thirds of them to gain control, a challenge complicated by a GOP advantage in campaign fund raising.

Turnout, turnout, turnout is the key.