Alright, here's the recommended information to provide:
Price Range: 550 with tax and shipping
Date of purchase: ASAP (If GTX580, when I find EVGA/ASUS in stock, if GTX470, now)
Usage: Gaming, Movies (1080p blurays), slight video editing.
Current GPU: new build
Power Supply: Corsair 850W Silver Certified Modular PSU
Intel i7-950 (OC'd to 4.2GHz)
ASUS Sabertooth x58 mobo
OCZ Gold 6GB DDR3 1600
Air Cooled CoolerMaster HAF 932 Black Edition
I prefer NVidia, Don't want ATi.
I was thinking of getting a single GTX580 when I was on a 1440 by 900 monitor. Thanks to blackfriday, I got an ASUS 23 inch monitor for 150 (awesome) so that's gonna be 1920 by 1200.. I don't know how well a single GTX580 will handle the resolution, so I was thinking of getting SLI GTX470's instead. Would this be better, or should I get a single GTX580? I might SLi the card in 2 years to keep up with the games.. What do you guys think?
Unless you're in an absolute rush, I'd consider waiting a couple of weeks. ATI's newest offerings (HD6900 series) is coming up soon, and performance is expected to beat nVidia's GTX580. Crossfire scaling is also expected to be high.
Honestly I would go for a single GTX580 for the fact that you could go sli at a latter time when they are substantially cheaper than they are now rather than going with sli from the start (very bad idea 90% of the time to side with sli) and you will save power as well have a lower cpu workload than with having two cards. I have gone through a few sli rigs already and it is best to get one decent card from the start and only then going sli as a later upgrade when it is needed.
can i just throw in, i've been running a gtx 280 since they came out on my monitor at 2560x1600 and haven't had any trouble running anything still. itching to go sli with two 460's as i think two cards will be a bonus at this higher resolution, but i don't think you'll have any 'trouble' running at 1920x1200 with either setup.