Here is the CNN clip I saw. It's apparently right after his Meet the Press announcement, and he took questions from other channels' reporters oustide the building.

He is a smart, moderate and reasonable man. And I think he makes a lot of great points:

Analysts: Powell endorsement more a rejection of GOP, McCain - CNN.com
dragonrider Reviewed by dragonrider on . Colin Powell endorses Barack Obama Colin Powell endorsed Obama for president. It was a wonderful interview. I have always respected Colin Powell. Perhaps this is the October surprise everyones talking about. Oct. 19: Former Secretary of State Gen. Colin Powell (Ret.), Chuck Todd, political roundtable - Meet the Press, online at MSNBC - MSNBC.com Rating: 5