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

Hey all.
I am leaning toward 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 design / 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
Thank you very much

Skip the 2008. Too high cost for FBDIMMs, too many problems surfacing. 4 yrs old.
the 2010 ref'd is $1819 and lets you throw in $600 W3680 and 4x8GB and better graphics and also PCIe controllers work better as well as 64-bit mode. The 2008 was the first to get UEFI / EFI64 and you could say it needed and got a lot of improvements over the next 2-3 yrs.
If you did want more RAM the cost of 2x4GB FBDIMMs can be $300.

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