You can get a Q6700 in a laptop?
Go for the 9000 for sure. It's actually slower than the 6700, but uses less than half the power. The 6700 is a desktop CPU at 2.66GHz, and rated at 105W. The 9000 is a laptop CPU at 2GHz, but it is only rated at 45W. It is by far the better choice, and will run much cooler with a much longer battery life, while still giving the power of a core 2 quad (albeit one at a slower clock speed).