The internals of the poll are something to look at:
Shift on Better Job On The Issues (number is Kerry's - Bush's):
Pre-Debate Post-Debate
Has clear plans on what to achieve: -16 -4
Homeland security: -17 -8
War on terrorism: -16 -8
Iraq: -7 -4
We're only down by 8 on the War on Terror. We can win this big.
Democracy Corps
Other neat things:
Kerry's net favorability has increased by 14, while Bush has increased his net favorability only by 3. Among independents, the numbers are 17 and 2.
On has good plans Kerry has gone up by 11, on likeability by 10, on making America safer by 10, on being strong leader by 9, on gives me conficence by 9, on hope by 8, on cares about people like you by 8, on honesty by 6.
These are pretty spectacular numbers.