Cpu upgrade help

[Zenith808]

My friend has about 600 dollars to upgrade his system, he wants to upgrade his cpu, gpu and he also wants to add an ssd. He has an i7 920 2.7 ghz cpu, do you think he should upgrade his cpu?

 

[jinayhvora]

http://pcpartpicker.com/p/1f9ov sorry couldn't fit the SSD in