There are 3 different i7s out there. the 3.2, the 2.8, and the I think its the 2.4.
I was going for the 2.8, as the 3.2 is more than twice the price, and the 2.8 is suppose to be faster than the x2 Quad .

What amazies me is the home computers today, can outperform what they had launching the first moon landing which was the best we could put together at the time. Hey thanks, I will pass this info to the guy building my computer.