get the core i7 720QM
with both turbo boost maxed
Core i5 430 from 2.26 GHz to 2.53 GHz
http://ark.intel.com/Product.aspx?id=43537
Core i7 720QM from 1.6 GHz to 2.8 GHz
http://ark.intel.com/Product.aspx?id=43122
Core i5 430M has 3MB cache
Core i7 720QM has 6MB cache
both got hyper...