TIPP Poll was the most accurate in '04. Here's their latest; McCain is extreme left column; next to him is Obama; last column is undecided.

John McCan vs. Barack Obama
Release Date	McCain	Obama	Undecided	Spread
October 16	41.6%	45.2%	13.2%	+3.6 Obama
October 15	41.9%	45.2%	12.9%	+3.3 Obama
October 14	41.9%	44.8%	13.3%	+3.0 Obama
October 13	42.7%	44.8%	12.5%	+2.1 Obama