I don't know which processor is the best Quad core of i7, please have a look at the below confiuration and advice me can i go a head for the same.

My requirement is:

Running 2 ESX 4.0 with atleast 8 VM's and testing max feautures..

Intel Core i7-720QM Mobile Processor (1.6GHz, turbo up to 2.8GHz, 6MB L3 Cache), Genuine Windows 7, 4096MB 1333MHz Dual Channel DDR3 SDRAM, 500GB (7,200rpm) Serial ATA Hard Drive, 1GB ATI Mobility Radeon HD 4650