2008 8-core 2.8ghz vs 2010 2.8ghz Quad Core for graphic work?

Hey all, greeting!

I have a question regarding the older gen (Harpertown) Mac Pro vs the 2010 Mac Pro (Nehalem) on graphical works, hope you guys can help me out.

I am choosing between these two machine.

2008 8-core 2.8ghz
vs
2010 2.8ghz Quad Core


I can pick up a 2008 2.8 octo core from a friend for about half the price of the refurbished 2010 from Apple store.

I will mainly use this machine for illustrator, dreamweaver and photoshop work.
I am a graphic designer / web designer.

I am pretty sure none of my software can really benefit from all 8 cores.
So will I be better off with a quad core 2010?

Can the 2010 justify twice as much in price difference?


Note: The 2008 has 16gb ram and HD5770, and in really good condition. But the 2010 has apple care and can be easily upgrade to 16gb ram for cheap.


Hopefully you guys can give me some advice :D
Thank you very much!