Ordered the Dell 24" screen and a BFG 8800 GTX OC. I'm now thinking of upgrading my E4300 to the new energy efficiant Q6600 and bagging a second 8800 GTX. Is it worth it? Someone tell me it's a waste of money as I'm at breaking point now! 

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get the processor, if games at your settings struggle then get another gtx
Ordered the Dell 24" screen and a BFG 8800 GTX OC. I'm now thinking of upgrading my E4300 to the new energy efficiant Q6600 and bagging a second 8800 GTX. Is it worth it? Someone tell me it's a waste of money as I'm at breaking point now!![]()
I have the money yes, that's not an issue, but I'm a tight git and don't like spending for the point of spending.
SLI can be a pain to get working as it should, expecially in Vista and even if it works might not give you any benefit over a single card in most resolutions and settings.
Why not just keep the single card and see how you like that, if it is a little too slow you can also upgrade to the new Nvidia card next year.
Also a 2nd GTX might mean you have to buy a new 800+W PSU?
How far away is it?