Best GPU for DC nowadays

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Been out of the game a while but I'll be back in shortly :)
Will be crunching/folding with CPUs as well but I like to keep my options open, plus I want to game anyway so I may as well have a card that racks up the points.
It has to be Nvidia because I refuse to deal with AMD's shoddy support. I'll be watercooling it/them. I'm open to multi-card setups, I'm thinking possibly SLI 580s might be the way to go as the 680's compute performance is cut down, though I would probably go for 570s over 580s as they're much more cost effective.
 
AMD cards have become a lot better with the 12.8 drivers but the 13 beta seems to have killed them again, I have an AMD card folding and some older Nvidia and when a GTS250 can nearly keep up with a ATI 6970 it speaks for itself.

Go with Nvidia if you want to fold for decent points.
 
If it has to be Nvidia then you aren't really keeping your options open :) But thats ok, basically you have to choose the minimum you can spend, basically any high end Nvidia card will be fine for Folding or Seti, the clients just take a little time to catch up with the hardware.

Driver wise there is no issue with AMD for this sort of work, other than the fact that everyone seems to be heading towards OpenCL and Nvidia haven't got the 1.2 version of the drivers ready yet, but I am sure they will get there. But otherwise its a non-issue
so then it comes down to what project you are interested in, if Seti then Nvidia, if Folding then its a toss up currently as to what the future holds with OpenCL being the defacto single platform Stanford are looking at AMD seems to be on top at the moment, but historically Nvidia has been the poster child of Folding and I can't see them letting that slip for too long.

Some projects need the double precision power that only AMD could bring to the table in the past, so things like Milkyway@Home run best on that hardware platform.

But for Nvidia only bias, the 570 or 560Ti 448 is a good choice.
 
I was referring to not being wholly CPU based :) I understand AMD stomps Nvidia in some projects, I have a 5770 that I used to run Milkyway Collatz (silly me) on and granted have had no driver issues with DC - however this will be my main rig and therefore I need stability in games and general usage too, which to me means Nvidia only.
How does the 6 series perform compared to Fermi? I'd prefer to go higher as I do want to be gaming, but if the 6 series doesn't perform too great for DC then I'll probably be looking to SLI 570s.
I've got no major bias toward any project now, I intend to crunch a variety of different ones so are there a few projects Nvidia performs well on, or is it pretty much just SETI and folding?
 
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